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C G EN S TE N A R S e B EC w o TIO ok N Vol. 8, No. 10 October 1998 es st t or INSIDE Rel e • 1999 Section Meetings ea GSA TODAY Rocky Mountain, p. 25 ses North-Central, p. 27 A Publication of the Geological Society of America • Honorary Fellows, p. 8

Lithoprobe Leads to New Perspectives on

70û -140û 70û Continental Evolution -40û

Ron M. Clowes, Lithoprobe, University -120û of British Columbia, 6339 Stores Road, -60û -100û -80û Vancouver, BC V6T 1Z4, Canada, 60û Wopmay 60û [email protected] Slave SNORCLE Fred A. Cook, Department of & Thelon Rae , University of Calgary, Calgary, Nain Province AB T2N 1N4, Canada 50û ECSOOT John N. Ludden, Centre de Recherches Hearne Pétrographiques et Géochimiques, Taltson Vandoeuvre-les-Nancy, Cedex, France AB Trans-Hudson Orogen SC THOT LE WS Superior Province ABSTRACT Cordillera AG

Lithoprobe, Canada’s national KSZ o MRS 40 40 science research project, was established o Grenville Province in 1984 to develop a comprehensive Wyoming Penokean GL -60û understanding of the evolution of the -120û Yavapai Province Orogen Appalachians northern North American . With rocks representing 4 b.y. of Earth -100û -80û history, the Canadian landmass and off- Phanerozoic Proterozoic Archean shore margins provide an exceptional 200 Ma - present 1100 Ma 3200 - 2650 Ma opportunity to gain new perspectives on continental evolution. Lithoprobe’s 470 - 275 Ma 1300 - 1000 Ma 3400 - 2600 Ma 10 study areas span the country and 1800 - 1600 Ma 3800 - 2800 Ma geological time. A pan-Lithoprobe syn- 1900 - 1800 Ma 4000 - 2500 Ma thesis will bring the project to a formal conclusion in 2003. Each transect 2100 - 1900 Ma involves an integrated, collaborative, Figure 1. Location of Lithoprobe transects on a simplified tectonic element of northern North multidisciplinary scientific program. America; MRS is mid-continent rift system. Transects: SC—Southern Cordillera; AB—Alberta Basement; Two transects are highlighted here. The SNORCLE—Slave–Northern Cordillera Lithospheric Evolution; THOT—Trans-Hudson Orogen; WS—West- first, across southern British Columbia, ern Superior; KSZ—Kapuskasing Structural Zone; GL—Great Lakes International Multidisciplinary Pro- illustrates elements of evolution of the gram on Crustal Evolution (GLIMPCE); AG—Abitibi-Grenville; LE—Lithoprobe East; and ECSOOT—East- ern Canadian Shield Onshore-Offshore. Canadian Cordillera and the Cascadia subduction zone. A key result is that crustal rocks of accreted terranes are detached from their subducting litho- INTRODUCTION— Understanding the tectonic develop- sphere and attached as thin flakes to THE LITHOPROBE PROJECT ment of northern North America requires the craton. at Cascadia is collaborative application of multiple Earth characterized by both underplating and Canada, with its diverse geology span- Science disciplines to acquire comprehen- duplexing of old oceanic crust below ning 4 b.y. of Earth history, is unique in sive two-dimensional knowledge of units the backstop and near-surface thrusting providing the opportunity to investigate at the surface, as well as information in to form an accretionary wedge. The continental evolution over an immense the third (depth) and fourth (time) dimen- second, a lithospheric section across the time period. The country is a mosaic of sions. Lithoprobe brings together these southeastern Superior province of Que- tectonic elements forming a complex ingredients in a series of 10 study areas bec, provides direct evidence for plate jigsaw puzzle representing continental (transects; Fig. 1), focused on geological in the Late Archean. Comple- growth, destruction, and reorganization. features of Canada that represent globally mentary studies indicate that the north- Lithoprobe is providing the opportunity significant tectonic processes. The study dipping collisional subduction zone(s?) to address fundamental questions, with areas span the country from Vancouver imaged by reflection data stepped global implications, on how the current Island to Newfoundland, from the north- southward with time. Postcollisional continental configuration was established ern United States to the Yukon and North- modification of the lower crust and what tectonic processes were occurred across the southern part involved. The project began in 1984 of the region. and will end in 2003. Lithoprobe continued on p. 2 IN THIS ISSUE GSA TODAY October Vol. 8, No. 10 1998 Lithoprobe Leads to New Perspectives Call for Nominations — on Continental Evolution ...... 1 Penrose, Day, Honorary Fellows ...... 20 GSA TODAY (ISSN 1052-5173) is published monthly In Memoriam ...... 2 Young Award, Past Medalists .... 22 by The Geological Society of America, Inc., with offices at 3300 Distinguished Service, Officers and Penrose Place, Boulder, Colorado. Mailing address: P.O. Box GSA On The Web ...... 3 Councilors, External Awards ...... 24 9140, Boulder, CO 80301-9140, U.S.A. Periodicals postage 1997 Honorary Fellows Named ...... 8 paid at Boulder, Colorado, and at additional mailing offices. 1999 Section Meetings — Postmaster: Send address changes to GSA Today, Member- GSA Division News ...... 8 Rocky Mountain ...... 25 ship Services, P.O. 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Contact Membership Services at (800) 472-1988, Dallas, Texas January 19, 1998 Salt Lake City, Utah (303) 447-2020 or [email protected] for member- February 14, 1998 July 27, 1998 ship information. Nonmembers & Institutions: Free Brian S. Oversby with paid subscription to both GSA Bulletin and Geology, John Lemish Latham, Australia otherwise $50 for U.S., Canada, and Mexico; $60 else- Ames, Iowa May 12, 1998 where. Contact Subscription Services. Single copies may be requested from Publication Sales. Also available on an March 22, 1998 annual CD-ROM, (together with GSA Bulletin, Geology, GSA Data Repository, and an Electronic Retrospective Index to journal articles from 1972); $89 to GSA Members, others call GSA Subscription Services for prices and details. Claims: For nonreceipt or for damaged copies, members contact Lithoprobe continued from p. 1 reworking of the Archean crust, in some Membership Services; all others contact Subscription Ser- cases preserving only the deformed mar- vices. Claims are honored for one year; please allow suffi- cient delivery time for overseas copies, up to six months. west Territories, and cover 4 b.y. in time. gins of formerly independent Archean Each region involves an integrated scien- microcontinents, whereas others include STAFF: Prepared from contributions from the GSA staff and membership. tific program spearheaded by seismic extensive tracts of juvenile oceanic litho- Executive Director: Donald M. Davidson, Jr. reflection profiles. The program differs sphere. The Mesoproterozoic Grenville Science Editors: Suzanne M. Kay, Department of from other national seismic reflection province was added to the southeast side Geological Sciences, , Ithaca, NY 14853; Molly F. Miller, Department of Geology, Box 117-B, Vanderbilt profiling efforts such as COCORP (Consor- of this amalgamated core at about the University, Nashville, TN 37235. tium for Continental Reflection Profiling; time that the 1.1 Ga Midcontinent rift Forum Editor: Bruce F. Molnia, U.S. Geological Survey, U.S.), BIRPS (British Institutes for Reflec- nearly split North America. The Paleozoic MS 917, National Center, Reston, VA 22092 Director of Publications: Peggy S. Lehr tion Profiling), DEKORP (Deutsches Konti- Appalachian terranes were attached to the Managing Editor: Faith Rogers nentales Reflexionsseismiches Program; eastern margin of the Grenville province Assistant Editor: Vanessa Carney Production Manager: Jon Olsen Germany) and ECORS (Etude de la Crôute following closure of the Iapetus and Production Editor and Coordinator: Joan E. Manly Terrestre en France per Méthode Sismique) were left behind when the Atlantic Ocean Graphics Production: Joan E. Manly, Leatha L. Flowers in putting more emphasis on multidisci- opened during the Mesozoic. To the west, ADVERTISING: Classifieds and display: contact Ann plinary approaches. Mesoproterozoic to Paleozoic rifting and Crawford, (303) 447-2020; fax 303-447-1133; acrawfor@ The transects of the Lithoprobe pro- passive-margin formation preceded west- geosociety.org. gram address the cratonic core and growth ward continental growth by Mesozoic ter- Issues of this publication are available as electronic Acrobat of the North American continent. This rane accretion (Fig. 2). East-directed sub- files for free download from GSA’s Web Site, http://www. geosociety.org. They can be viewed and printed on various core consists of six Archean (pre–2.5 Ga) duction continues in this region today. personal computer operating systems: MSDOS, MSWin- provinces (Slave, Rae, Hearne, Wyoming, Each of the 10 Lithoprobe transect dows, Macintosh, and Unix, using the appropriate Acrobat Superior, and Nain) that together form studies (Fig. 1) will culminate in a synthe- reader. Readers are available, free, from Adobe Corporation: http://www.adobe.com/acrobat/readstep.html. most of the crustal volume of the conti- sis. Those for the GLIMPCE (Gibb et al., This publication is included on GSA’s annual nent and are bound by a network of Paleo- 1994), Kapuskasing Structural Zone (Perci- CD-ROM, GSA Journals on Compact Disc. proterozoic orogenic belts (Fig. 1; Hoff- val, 1994), and Southern Cordillera (Cook, Call GSA Publication Sales for details. 50% Total Recoverd Fiber man, 1989). Some of these belts are 1995) transects are complete. A synthesis Printed in U.S.A. using pure soy inks. 10% Postconsumer collisional zones involving extensive of the Lithoprobe East Transect is near

2 GSA TODAY, October 1998 as thin flakes, or sheets, to the craton. In GSA ON THE WEB the eastern part, the decoupling surface (decollement) steps downward from the Visit the GSA Web Site at http://www.geosociety.org. front of the Foreland fold and thrust belt From our home page you can link to many information resources. to the middle crust beneath the western Here are some highlights: Purcell Mountains of the Omineca belt (Cook et al., 1992). In the western Check out the new 1999 ESSTEP Workshop information and application forms and Omineca belt and Intermontane belt, find out more about the, soon to be released, “GETIT” educational CD on Energy in the the decollement penetrates the lower Earth System. crust, perhaps to the Moho. Above the Toronto GeoTimer now on-line. 1998 Toronto technical program (sessions and decollement, collision-generated crustal- abstracts—both electronic and scanned paper copy), business and social events, and scale imbrication and antiformal struc- exhibitors are now available and completely searchable: www.geosociety.org/ tures occur. The existence of allochthons, meetings/98/config. There is a link from the Home Page as well as from the Toronto thin relative to across- and along-strike Main Page. dimensions, is confirmed by the profile. An unanswered question is the fate of the The GeoTimer is very easy to use and has the special feature of being able to create your nearly 13 000 km of Pacific ocean plates own personalized schedule for the Toronto meeting. Either use your GSA member num- that have converged with western North ber or you may register as a non-member and have a temporary access number pro- America in the past 180 Ma (Engebretson vided for you. Once in the system, you may search for technical sessions (date, time, et al., 1992), leaving only their upper parts place), abstracts (abstracts text, abstracts number, title, authors, and keywords). Beyond as a contribution to the 500 km of west- this, the system also gives you access to business and social events (such as Division or ward continental growth. Associated Society events), and to exhibitors. A series of “windows” into the deep crust (core complexes) were formed by postorogenic Paleocene-Eocene extension. publication. Three regional syntheses of and Yorath, 1991) that occurred on and Remnants of middle to lower crust visible the Abitibi-Grenville transect have been adjacent to the Late Archean to Paleopro- in these complexes can be tied to deep published (Boerner et al., 1994; Ludden, terozoic basement of the southwestern geophysical surveys. Perhaps the best stud- 1994, 1995), and a final overview is in continuation of the present Canadian ied are the Monashee and Valhalla com- progress. Results of the THOT, Alberta Shield. Extension-related rifting occurred plexes (e.g., Carr, 1995), where three Basement, and ECSOOT transects are still in at least three periods in Meso- and Neo- crustal levels are exposed. The lower level under analysis, and data collection will proterozoic and early Paleozoic time. Oro- includes North American Precambrian proceed for three more years in the West- genic activity associated with extensive basement (1.8–2.1 Ga) and metasedimen- ern Superior and SNORCLE transects. plutonism and volcanism took place from tary cover rocks. The middle level likely The final component of the project Devonian to Eocene time. Major compres- comprises metasedimentary rocks de- will be a pan-Lithoprobe synthesis, similar sional events occurred between the Middle posited near the North American margin. to that of the European Geotraverse proj- Jurassic and Paleocene (170–60 Ma) as Upper-crustal-level rocks are preserved ect (Blundell et al., 1992). This synthesis extensive Paleozoic and younger intrao- only in the hanging walls of the regional will include: (1) data and results for the ceanic-arc and ocean-floor rocks were extensional faults and are associated with landmass and offshore margins of Canada; accreted to the North American continen- the accreted terranes. This basic picture, (2) lithospheric cross sections including tal margin. Between 100 and 40 Ma, large, augmented by geometric information on one ~5000 km long from the Pacific right-lateral strike-slip faults that partly deep crustal structure from seismic reflec- Ocean to the Labrador Sea (Fig. 3 is the accommodated northward motion of the tion (Cook et al., 1992) and refraction first stage); (3) a reconstruction of the geo- terranes relative to North America formed (Clowes et al., 1995) data, and by isotopic metrical and kinematic evolution of the in the western Cordillera. At about 58 Ma, studies of magmatic rocks (Ghosh, 1995) tectonic elements of northern North tectonism in the southern Cordillera indicates that cratonic lower crust (NA, America; (4) investigations of the underwent a fundamental transition from Fig. 3) and Precambrian upper mantle are and mechanisms of tectonic processes east–west shortening and crustal thicken- present beneath the Intermontane belt as associated with lithospheric evolution, ing to east–west stretching and crustal far west as the Fraser strike-slip fault (Fig. 3). including geodynamic modeling; and thinning. This change was associated with In the Intermontane belt and belts (5) comparison of Lithoprobe results widespread magmatic-arc activity and farther east, the prevalent tectonic defor- with those worldwide. exposure of metamorphic core complexes mation is east-directed (vergent). In con- Below, we highlight results from the (high-grade rocks; e.g., see Hollister and trast, deformation in the Coast and Insular Phanerozoic Southern Cordillera transect Andronicos, 1997). Since the Eocene, the belts is dominantly west vergent (Fig. 3). and the Archean component of the interior of the Cordillera has been rela- The western Coast belt is dominated by Abitibi-Grenville transect. Additional tively quiescent, whereas subduction plutonic rocks primarily derived from a information on these and other Litho- beneath the western margin has produced depleted mantle source with little or no probe transects is available on the Web at the Cascades and Garibaldi-Pemberton interaction with evolved continental http://www.geop.ubc.ca/Lithoprobe and volcanic belts. East-directed subduction material (Friedman et al., 1995). Seismi- associated, linked Web sites. of the Juan de Fuca plate continues today. cally constrained interpretations These tectonic processes are reflected in (Clowes et al., 1997) indicate that these WESTWARD GROWTH OF the characteristic morphogeological belts plutons form a low-density layer up to NORTH AMERICA–SOUTHERN and terrane elements shown in Figure 2. 30 km thick that is underlain by a higher- CORDILLERA TRANSECT The cross section in Figure 3 illus- density layer less than 10 km thick (“mafic trates some of the primary scientific residue,” Fig. 3). Given that plutonism The western North American results from the Southern Cordillera tran- was a prolonged, episodic process that Cordillera is one of the ’s great sect. A key observation is that rock units both predated and postdated convergence mountain systems. The principal stages mapped on the surface are decoupled from between the Insular and Intermontane in its formation involve Paleoproterozoic the mantle and, in some cases, the crust to Holocene tectonic processes (Gabrielse upon which they formed, and are attached Lithoprobe continued on p. 5

GSA TODAY, October 1998 3 EAST 0 20 40 60 80 140 160 100 120 BELT 950 FORELAND (Hi V) NA M CRUST CRATONIC BASEMENT Rocky Mountains 900 TRENCH NAB (rigid upper part of plate) 850 MTNS PURCELL ROCKY MTN KOOTENAY ARC 800 (Lo V) (Lo V) (Lo V) NELSON SLF BATHOLITH

(rigid lower part of plate) NA MD 750 (Lo V Zone) OMINECA BELT MR VALHALLA/ MONASHEE COMPLEXES 700 (Hi V) VERNON ANTIFORM 650 (Lo V) NA OVF 600 Foundation of western North America, more than 1800 m.y. old Simplified map of the southern Canadian Cordillera showing mor- UPPER SUB-CRUSTAL QUESNELLIA Old oceanic crust, island arcs & related sediments added to North America about 150 m.y. ago; subsequently squeezed and deformed; evidence remains on surface and in subsurface 550 QCF (Hi V) BELT Figure 2. phogeological belts and principal terrane elements. Black solid lines—seismic reflection profiles; light green lines, seismic refraction–wide-angle profiles (shot points indicated by solid green stars); open stars—magnetotel- luric station sites; OC—core of the Olympic Mountains, an exposed part accreted wedge; broad gray line—location of cross section in Figure 3. HORST NICOLA CWF INTERMONTANE MR—mantle reflector; MT—Methow terrane; NA—North American cratonic basement; NAB—North fault; PRT—Pacific Rim terrane; QCF—Quilchena American basement reflector; OVF—Okanagan Valley Creek fault; SH—Shuksan terrane; SLF—Slocan Lake fault. (A combined version of Figures 2 and 3 in poster format is available from Ron M. Clowes.) CONTINENTAL ASTHENOSPHERE [a few percent molten rock] MR 500 INTERMONTANE COMPOSITE TERRANE FF DISTANCE (km) BR 450 SH / MT LOWER CRUST INT.COMP.TERRANE CD 400 MR —high velocity ρ + gr HA Belt of (Mt. Garibaldi, etc.)

mafic residue Trapped remanents of older, underthrusted, oceanic plate COAST BELT 350 plutons granite GVB ? ?

)

ρ 300 NANAIMO SEDIMENTS

) ρ

WRANGELLIA WRANGELLIA

C ZONE E ZONE STRAIT OF GEORGIA 250

UPPER

LOWER

COLD OCEANIC LITHOSPHERE ISLAND 200 INSULAR BELT

PRE TERTIARY UNDERPLATE (Hi V,

VANCOUVER TERTIARY UNDERPLATE (Hi V, Partial melting of Juan de Fuca plate Old oceanic crust, island arcs & related sediments added to North America about 100 m.y. ago PRT

CT 150 SEDIMENTS TOFINO BASIN

AW Accreted (older & squeezed) ocean sediments 100 OFFSHORE SLOPE/SHELF DF 50 JdF CRUST SEDIMENTS HEMIPELAGIC Underthrusting Juan de Fuca plate OCEANIC ASTHENOSPHERE [a few percent molten rock] PACIFIC OCEAN

JdF LOWER LITHOSPHERE Interpreted lithospheric cross section from the Juan de Fuca plate to Foreland belt. In Ocean sediments 0

0 TURBIDITE SEDIMENTS

20 40 60 80 DEPTH (km) DEPTH 140 160 100 120 WEST Figure 3. wedge; BR—Bridge River terrane; AW—accreted the mantle, open arrows show possible material flow. CD—Cadwallader terrane; CT—Crescent CWF—Coldwater fault; DF—deformation front; FF— granites; GVB—Garibaldi volcanic belt; HA—Harrison terrane; Hi V, Fraser fault; gr, and density; JdF—Juan de Fuca plate; Lo V—low velocity; M—Moho; MD—Monashee decollement;

4 GSA TODAY, October 1998 becomes accreted to the subducting slab, Figure 4. Simplified thereby increasing the thickness of the geological map outlin- mechanically defined lithosphere and ing domains of the providing a mechanism for driving con- Nemiscau, Opatica, vective flow of shallow asthenosphere. Abitibi, and Pontiac subprovinces of the Superior province and FORMATION OF ARCHEAN the Grenville province LITHOSPHERE—THE ABITIBI within the study area. SUBPROVINCE Locations of seismic reflection profiles The Middle-to-Late Archean period shown by numbered represents the most important time of black lines (grayish growth of Earth’s lithosphere. With an where they overlap exposed area of 1.6 million km2, the with locations of seis- Superior province (Fig. 1), which formed mic refraction profiles shown by pink dots on between 3100 and 2650 Ma (Thurston and white background). Chivers, 1990; Card, 1990), is the largest Fault zones: CBTZ— remnant of this period. It comprises a Casa Beradi; LCF— series of approximately east-trending Larder-Cadillac; PDF— granite-greenstone belts separated by Porcupine-Destor. metasediment- and granite-dominated subprovinces. The along-strike geological and geochemical similarities of the belts and a gradual younging to the south Lithoprobe continued from p. 3 (accretionary wedge) and crustal-scale sub- (Corfu and Davis, 1992) have led to the surface duplexing analogous to that seen view that the Superior province grew superterranes, one explanation for this in fold-thrust belts. The geometry and southward through accretion of oceanic layering is that it was produced by frac- physical characteristics determined in the arcs and plateaus, the metasedimentary tionation of arc-related magmas. Alterna- Lithoprobe transect, together with subse- belts representing remnants of intervening tively, widespread magmatic underplating quent results from Geological Survey of accretionary wedge assemblages. The pre- associated with the subduction regime Canada studies, are leading to a better cise nature of this accretion remains sub- along western North America could have understanding of the megathrust earth- ject to debate (Hoffman, 1989; Kimura generated the high-density layer. quake cycle and the hazards associated et al., 1993; Percival et al., 1994; Jackson The part of the Southern Cordillera with the Cascadia subduction zone and Cruden, 1995) and is a focus of study transect beneath Vancouver Island was the (e.g., Hyndman and Wang, 1996). in the southeastern part of the Superior first major survey to cross an ocean-conti- Seismic wide-angle reflection data province, part of the Abitibi-Grenville nent subduction zone. This study pro- from the Southern Cordillera transect transect (Fig. 1). An ancillary result in this vided key insights into the mechanisms identify shallow mantle reflectors that are area is the demonstration of the applica- of the accretionary process (Green et al., interpreted to represent the top of a shal- bility of seismic reflection data in mineral 1986; Clowes et al., 1987; Hyndman et al., low asthenospheric layer (Fig. 3; Clowes exploration (e.g., Milkereit et al., 1996; 1990). Two subparallel prominent reflec- et al., 1995), consistent with earlier surface Perron and Calvert, 1997). tors (C Zone and E Zone in Fig. 3) that wave and geomagnetic studies. Below the From north to south, the study bound a zone of high seismic velocity are central Coast belt, this warm, low-velocity region (Fig. 4) consists of: (1) the Nemis- observed structurally above the subduct- asthenosphere must interact with the cold cau metasedimentary belt; (2) the Opatica ing Juan de Fuca plate. These reflectors lithosphere of the subducting Juan de Fuca plutonic belt, an amphibolite-grade meta- have been interpreted as delineating a oceanic plate. In such a scenario, the man- plutonic gneiss terrane; (3) the Abitibi sub- slice of material detached from the sub- tle below the central Coast belt is a “sink” province, a low-grade granite-greenstone ducting plate and added to the base of for both subducting lithosphere and the belt (world’s largest; source of much of the accretionary complex beneath Van- western limb of the mantle upwelling Canada’s mineral wealth); and (4) the Pon- couver Island. The study demonstrates below the Intermontane and Omineca tiac subprovince, a metasedimentary and that accretion at a young plate boundary belts (see Gough, 1986). The astheno- is characterized by near-surface thrusting sphere in the “sink” is cooled by and Lithoprobe continued on p. 6

Figure 5. Composite interpretation of seismic sections across the Opatica plutonic belt, Abitibi granite-greenstone belt, Pontiac subprovince, and Grenville province; seismic line locations (L48, etc.) are shown in Figure 4. Irregular heavy black lines indicate seismic reflectors. ALC—Abitibi lower crust; AW—accreted wedge; CGGZ—central granite-gneiss zone; Cp—Canet pluton; GF—Grenville Front; LOp—Lac Ouescapis pluton; NVZ—northern volcanic zone; OMC—Opat- ica middle crust; OLC—Opatica lower crust; PMC—Pontiac middle crust; PLC—Pontiac lower crust; SVZ—southern volcanic zone; SZ1 and SZ2—suture zones 1 and 2.

GSA TODAY, October 1998 5 Lithoprobe continued from p. 5 A second crustal suture zone, repre- Hammer at the University of British senting the inferred northern limit of arc- Columbia assisted with preparation of fig- plutonic domain. A composite cross sec- related Pontiac units, is interpreted at the ures. Comments by journal reviewers tion highlighting the structural features of Abitibi-Pontiac boundary (SZ2, Fig. 5). G. Fuis, L. Brown, and R. Price aided the the region is shown in Figure 5. The most At 2698 to 2686 Ma (Mortensen and Card, presentation. Lithoprobe publication spectacular result is a seismic image at the 1993), the Pontiac metasedimentary rocks no. 952. Abitibi-Opatica belt boundary (from L48, are younger than Abitibi units and occupy Fig. 5; see Calvert et al., 1995) where a significant volume of the crust. Their REFERENCES CITED north-dipping reflectors extend from the underthrust geometry suggests they repre- base of the crust to depths of ~70 km in BABEL Working Group, 1993, Integrated seismic studies sent a relict accretionary wedge that con- of the Baltic shield using data in the Gulf of Bothnia the upper mantle. Similar reflections in tinued to evolve after the collision to the region: Geophysical Journal International, v. 112, Phanerozoic and Proterozoic regions have p. 305–324. north had largely ceased. Stitching plutons been attributed to shear zones formed at along the Pontiac-Abitibi boundary indi- Beaumont, C., and Quinlan, G., 1994, A geodynamic subduction zones (Warner and McGeary, framework for interpreting crustal-scale seismic-reflec- cate that the collision was largely com- 1987; BABEL Working Group, 1993). Cor- tivity patterns in compressional orogens: Geophysical plete by 2685 to 2680 Ma. Journal International, v. 116, p. 754–783. relation of the mantle reflections below However, deformation at depth Blundell, D., Freeman, R., and Mueller, S., editors, 1992, the Opatica belt (defining the “subducted did not cease. U/Pb on A continent revealed: The European geotraverse: Cam- slab,” Fig. 5) with mid- to lower-crustal bridge, UK, Cambridge University Press, 275 p. exposed lower-mid-crustal rocks from reflectors in the northern Abitibi belt (ALC the upthrust Kapuskasing structural zone Boerner, D., Milkereit, B., and Naldrett, A., editors, and AMC) implies that these reflections 1994, Special section on the Lithoprobe Sudbury pro- (Krogh, 1994), the western boundary of represent a suture zone (SZ1) associated ject: Geophysical Research Letters, v. 21, p. 919–966. the Abitibi subprovince, and from crustal with underthrusting of the Abitibi belt Calvert, A. J., Sawyer, E. W., Davis, W. J., and Ludden, xenoliths in kimberlites in the southern J. N., 1995, Archaean subduction inferred from seismic beneath the Opatica belt. Following the Abitibi belt (Moser and Heaman, 1997), images of a mantle suture in the Superior Province: general geodynamic modeling of Beau- Nature, v. 375, p. 670–674. indicates that units occur in the lower mont and Quinlan (1994), opposite ver- crust that are significantly younger than Card, K. D., 1990, A review of the Superior Province of gent reflectivity within the Opatica crust the Canadian Shield, a product of Archean accretion: in the upper crust. Alternative interpreta- (OMC) can be interpreted as “pro-thrust- Precambrian Research, v. 48, p. 99–156. tions are that: (1) the lower crust under- ing” and “retro-thrusting” related to the Carr, S. D., 1995, The southern Omineca Belt, British went late extension and recrystallization Columbia: New perspectives from Lithoprobe geo- same event. The seismic data provide evi- that was decoupled from the upper crust; sciences program: Canadian Journal of Earth Sciences, dence for modern-style plate tectonic pro- v. 32, p. 1720–1739. or (2) late-stage mafic magmas were cesses in the Late Archean. Stitching plu- underplated and intruded as sills in associ- Clowes, R. M., Brandon, M., Green, A. G., Yorath, C. J., tons (Cp and LOp, Fig. 5) indicate that and Sutherland-Brown, A., 1987, Lithoprobe southern ation with lower crustal extension. Seismic juxtaposition of the Opatica and Abitibi Vancouver Island: Cenozoic subduction complex refraction data (see Fig. 4) indicate veloci- imaged by deep seismic reflections: Canadian Journal belts had occurred by 2700–2695 Ma ties of >7.0 km/s for the deepest 8 km of of Earth Sciences, v. 24, p. 31–51. (Davis et al., 1995). Prominent subhori- crust below the south-central Abitibi Clowes, R. M., Zelt, C. A., Amor, J. R., and Ellis, R. M., zontal seismic reflections in the lowermost 1995, Lithospheric structure of the southern Canadian (Winardhi and Mereu, 1997), supporting crust of the Opatica belt (OLC, Fig. 5) that Cordillera from a network of seismic refraction lines: intrusion of mafic magmas. Above this Canadian Journal of Earth Sciences, v. 32, p. 1485–1513. are cut by faults extending into the middle region reflections are strong, but within crust indicate that the lower crust has Clowes, R. M., Baird, D. J, and Dehler, S. A., 1997, it reflectivity decreases. The mafic intru- Crustal structure of the Cascadia subduction zone, retained its structure since these terranes sions, decreasing reflectivity (perhaps due southwestern British Columbia, from potential field were juxtaposed. and seismic studies: Canadian Journal of Earth Sciences, to reworking), and Moser and Heaman’s Whereas arc-related plutonic rocks v. 34, p. 317–335. (1997) evidence for 2.4 Ga zircon over- dominate the Opatica belt, the Abitibi belt Cook, F. A., editor, 1995, The Southern Canadian growths on Archean crustal xenoliths indi- Cordillera Transect of Lithoprobe: Canadian Journal has a more heterogeneous character. On cate that the lowermost crust of the south- of Earth Sciences, v. 32, p. 1483–1824. the basis of geological studies, the Abitibi ern Abitibi belt was affected by Huronian Cook, F. A., Varsek, J. L., Clowes, R. M., Kanasewich, subprovince is divided into three zones magmatism. E. R., Spencer, C. S., Parrish, R. R., Brown, R. L., Carr, (Ludden and Hubert, 1986). The northern S. D., Johnson, B. J., and Price, R. A., 1992, Lithoprobe Geochronological information and volcanic zone and central granite-gneiss crustal reflection cross section of the southern Cana- the inferred suture zones are consistent dian Cordillera, 1, Foreland thrust and fold belt to zone consist mainly of 2759 to 2720 Ma with two alternative scenarios: (1) south- Fraser River fault: Tectonics, v. 11, p. 12–35. volcanic and sedimentary suites (Morten- ward migration of a single north-dipping Corfu, F., and Davis, D. W., 1992, A U-Pb geochrono- sen, 1993). The seismic section for this logical framework for the western Superior Province, subduction zone that was closed by colli- region shows a poorly reflective upper- Ontario, in Thurston, P. C., et al., eds., Geology of sion with the Pontiac arc; or (2) north- Ontario: Ontario Geological Survey, Special Volume 4, most crust, which is interpreted as vol- dipping subduction zones below both pt. 2, p. 1334–1348. canic and plutonic units (Fig. 5). The crust the Opatica and the southern Abitibi ter- Corfu, F., Krogh, T. E., Kwok, Y. Y., and Jensen, L. S., below is dominated by north-dipping ranes, the latter one being closed by Pon- 1989, U-Pb zircon geochronology in the southwestern reflections suggestive of a complex accre- Abitibi greenstone belt, Superior Province: Canadian tiac collision. In either case, the mineral- tionary history. An interpreted accretion- Journal of Earth Sciences, v. 26, p. 1747–1763. ized volcanic sequences formed the top ary wedge south of SZ1 (AW, Fig. 5) is con- Davis, W. J., Machado, N., Gariepy, C., Sawyer, E. W., of the stack and were later intruded by and Benn, K., 1995, U-Pb geochronology of the Opatica sistent with northward underthrusting of plutons. These results provide strong evi- tonalite-gneiss belt and its relationship to the Abitibi terranes in a north-dipping subduction greenstone belt, Superior Province, Quebec: Canadian dence for Archean continental growth by environment. However, the nature of the Journal of Earth Sciences, v. 32, p. 113–127. arc accretion and subduction tectonics. central core of the Abitibi middle crust is Engebretson, D. C., Kelley, K. P., Cashman, H. J., and uncertain. Below the younger (2715–2705 Richards, M. A., 1992, 180 million years of subduction: ACKNOWLEDGMENTS GSA Today, v. 2, p. 94–95, 100. Ma; Corfu et al., 1989) southern volcanic Friedman, R. M., Mahoney, J. B., and Cui, Y., 1995, zone (SVZ, Fig. 5), the crust shows faint, Lithoprobe is funded by the Natural Magmatic evolution of the southern Coast Belt: Con- incoherent reflectivity and is interpreted Sciences and Engineering Research Coun- straints from Nd-Sr isotopic systematics and geochron- as a deep (up to 20 km) volcanic basin. cil of Canada through the Research Net- ology of the southern Coast Plutonic Complex: Cana- dian Journal of Earth Sciences, v. 32, p. 1681–1698. This basin is the only evidence for large- works Element of the Research Partner- Gabrielse, H., and Yorath, C. J., editors, 1991, Geology scale postaccretion extension. ships Program and by the Geological of the Cordilleran Orogen in Canada: Geological Survey Survey of Canada. John Amor and Phil

6 GSA TODAY, October 1998 of Canada, Geology of Canada, No. 4 (also Geological Kimura, G., Ludden, J. N., Desrochers, J.-P., and Hori, Percival, J. A., Stern, R. A., Skulski, T., Card, K. D., Society of America, Geology of North America, v. G-2). R., 1993, A model of ocean-crust accretion for the Supe- Mortensen, J. K., and Begin, N. J., 1994, Minto block, rior province, Canada: Lithos, v. 30, p. 337–355. Superior province: Missing link in deciphering assembly Ghosh, D. K., 1995, Nd-Sr isotopic constraints on the of the craton at 2.7 Ga: Geology, v. 22, p. 839–842. interactions of the Intermontane Superterrane with the Krogh, T. E., 1994, Precise U-Pb ages for Grenvillian and western edge of North America in southern Canadian pre-Grenvillian thrusting of Proterozoic and Archean Perron, G., and Calvert, A. J., 1997, Shallow, high reso- Cordillera: Canadian Journal of Earth Sciences, v. 32, metamorphic assemblages in the Grenville Front tec- lution seismic imaging at the Ansil mining camp in the p. 1740–1758. tonic zone, Canada: Tectonics, v. 13, p. 963–982. Abitibi greenstone belt: Geophysics, v. 63, p. 379–391. Gibb, R. A., Hinze, W. J., and Thomas, M. D., editors, Ludden, J. N., editor, 1994, The Abitibi–Grenville Litho- Thurston, P., and Chivers, K. M., 1990, Secular varia- 1994, Potential field studies of continental rifts: The probe transect seismic reflection results. Part I: The tion in greenstone sequence development emphasizing Great Lakes region: Canadian Journal of Earth Sciences, western Grenville Province and Pontiac subprovince: Superior Province, Canada: Precambrian Research, v. 31, p. 617–720. Canadian Journal of Earth Sciences, v. 31, p. 227–307. v. 46, p. 21–58. Gough, D. I., 1986, Mantle upflow tectonics in the Ludden, J. N., editor, 1995, Results from the Abitibi- Warner, M. R., and McGeary, S. E., 1987, Seismic reflec- Canadian Cordillera: Journal of Geophysical Research, Grenville Lithoprobe transect. Part II: The Abitibi green- tion coefficients from mantle fault zones: Royal Astro- v. 91, p. 1909–1919. stone belt: Canadian Journal of Earth Sciences, v. 32, nomical Society Geophysical Journal, v. 89, p. 223–230. p. 97–176. Green, A. G., Clowes, R. M., Yorath, C. J., Spence, C. P., Winardhi, S., and Mereu, R. F., 1997, Crustal velocity Kanasewich, E. R., Brandon, M. T., and Sutherland- Ludden, J., and Hubert, C., 1986, Geologic evolution structure of the Superior and Grenville Provinces of the Brown, A., 1986, Seismic reflection imaging of the sub- of the Late Archean Abitibi greenstone belt of Canada: southeastern Canadian Shield: Canadian Journal of ducting Juan de Fuca plate: Nature, v. 319, p. 210–213. Geology, v. 14, p. 707–711. Earth Sciences, v. 34, p. 1167–1184. Hoffman, P. F., 1989, Precambrian geology and tectonic Milkereit, B., Eaton, D., Wu, J., Perron, G., Salisbury, Manuscript received June 12, 1998; revision received history of North America, in Bally A. W., and Palmer M., Berrer, E., and Morrison, G., 1996, Seismic imaging August 4, 1998; accepted August 17, 1998 ■ A. R., eds., The geology of North America—An over- of massive sulfide deposits, Part II: Reflection seismic view: Boulder, Colorado, Geological Society of America, profiling: Economic Geology, v. 91, p. 829–834. Decade of North American Geology, v. A, p. 447–511. Mortensen, J. K., 1993, U-Pb geochronology of the Hollister, L. S., and Andronicos, C. L., 1997, A candi- eastern Abitibi subprovince, Part 1: Chibougamau- Each month, GSA Today features a short date for the Baja British Columbia fault system in the Matagami-Joutel region: Canadian Journal of article on current topics of gen- Coast Plutonic Complex: GSA Today, v. 7, no. 11, Sciences, v. 30, p. 11–28. p. 1–7. eral interest. For guidelines on submit- Mortensen, J. K. and Card, K. D., 1993, U-Pb age con- Hyndman, R. D., and Wang, K., 1996, The rupture zone straints for the magmatic and tectonic evolution of the ting an article, contact either GSA Today of Cascadia great earthquakes from current deformation Pontiac Subprovince: Canadian Journal of Earth Sci- Science Editor: and the thermal regime: Journal of Geophysical ences, v. 30, p. 1970–1980. Research, v. 100, p. 22,133–22,154. S. M. Kay, Cornell University Moser, D. E., and Heaman, L. M., 1997, Proterozoic zir- Hyndman, R. D., Yorath, C. J., Clowes, R. M., and con growth in Archean lower crustal xenoliths, south- (607)255-4701, fax 607-254-4780 Davis, E. E., 1990, The northern Cascadia subduction ern Superior craton—A consequence of Matachewan [email protected] zone at Vancouver Island: Seismic structure and tec- ocean opening: Contributions to Mineralogy and tonic history: Canadian Journal of Earth Sciences, v. 27, , v. 128, p. 164–175. M. F. Miller, Vanderbilt University p. 313–329. Percival, J., editor, 1994, The Kapuskasing Transect of (615) 322-3528, fax 615-322-2137 Jackson, S. L., and Cruden, A. R., 1995, Formation of Lithoprobe: Canadian Journal of Earth Sciences, v. 31, [email protected] the Abitibi greenstone belt by arc-trench migration: p. 1013–1286. Geology, v. 23, p. 471–474.

GSA TODAY, October 1998 7 1998 Honorary Fellows Named The three geoscientists named as GSA Honorary Fellows for 1998 are Shigeo Aramaki, Victor Khain, and Werner-Friedrich Schreyer.

Shigeo Aramaki Victor Khain Werner-Friedrich Schreyer Shigeo Aramaki’s Victor Khain is Werner-Friedrich rise to international credited with intro- Schreyer, a pioneer recognition as a pre- ducing the plate in the field of exper- mier volcanologist tectonic revolution imental and meta- began with his clas- to the Russian geo- morphic petrology, sic dissertation on logic community. discovered that the of He was one of the coesite, pyrope, and Asama. He is well first scientists to other index miner- known for his stud- apply als found in white ies and papers on to continental geol- schists were formed ash flow tuffs, calderas of Japan, and arc ogy, and is well known for producing from cold subduction of crustal rock at volcanism and caldera structure; many excellent tectonic of the world as depths greater than 100 km. He found young scientists entering the field have well as textbooks and atlases. that such deformed rock could return to sought him out as a mentor. Born in 1914 in Baku, Azerbaijan, the surface without completely losing its Aramaki was also one of the first Khain became interested in petroleum crustal identity. geologists to determine temperatures of geology upon entering the Industrial Insti- Schreyer was born in 1930 in Nürn- pyroclastic deposits using paleomag- tute of Azerbaijan. He graduated in 1935 berg, Germany. He received his doctorate netism, which inspired considerable and began his career as a petroleum geolo- from the University of Munich in 1937, research by other scientists on tempera- gist, working for both exploration and and honorary doctorates from the Univer- ture estimation. research companies. sities of Hannover and Liege. Born in Japan in 1929, Aramaki grad- During World War II, Khain served Schreyer began his career in the geo- uated from Tokyo Emperor University in in the Soviet Army, where he worked on sciences as a field geologist, his interests 1955, and received his Doctorate of Sci- radar anti-aircraft defense. After military ranging from the Vredefort Crater to eco- ence in 1961. He received the Geological service, he began studying structure and nomic geology. He spent three years at Society of Japan award in 1973, was presi- tectonics; he received a Doctorate of Sci- the Carnegie Institution, where he was dent of the Volcanological Society of ence from the Institute of Geology, Azer- introduced to experimental petrology. Japan from 1986 to 1988, and also served baijan Academy of Sciences in 1947. He Schreyer was named Chair of Mineral- as president of the International Associa- has published more than 40 books and ogy at Bochum University in 1966, and tion of Volcanology and Chemistry of the monographs and more than 200 papers. succeeded in building a new department, Earth’s Interior from 1988 to 1993. Khain is currently a principal where he has continued to produce stud- Aramaki is currently a professor at researcher at the Institute of the Litho- ies in high-pressure experimental mineral- the Institute of Natural Sciences, at Nihon sphere, Russian Academy of Sciences. ogy and petrology and assisting his stu- University in Japan. He has held positions He is also professor emeritus at Moscow dents, many of whom have become at the University of Tokyo, the Earthquake Lomonosov State University. accomplished mineralogists. Schreyer is Research Institute, and Hokkaido University. also an editor for Contributions to Mineral- ogy and Petrology and Journal of Petrology. ■

GSA Division News BRING YOUR HOLIDAY GIFT LIST! Divisions will be recognizing the follow- ing individuals at the 1998 Annual John McPhee Book Signing Scheduled Meeting in Toronto for their service GSA is privileged to have internationally renowned author to the Division and/or contributions John McPhee in attendance at the Toronto Annual Meeting to the geological sciences. on Sunday, October 25 and Monday, October 26. By spe- cial arrangement with McPhee’s publisher, Farrar, Strauss & Hydrogeology Division Giroux, we will have copies of his newest book Annals of the John A. Cherry Former World available at the GSA bookstore. During his Distinguished Service Award visit, McPhee will be available to visit with meeting atten- Stuart Rojstaczer dees and sign copies of his book on Sunday evening at the 1999 Birdsall-Dreiss Foundation booth from 5:00 to 7:30, and on Monday at Distinguished Lecturer the GSA Bookstore from 10:00 to 11:00 a.m. and from Quaternary Geology & 3:00 to 4:00 p.m. Division Annals of the Former World collects in a single volume five Dale F. Ritter commentaries about the geology of North America: “Basin Distinguished Career Award and Range,” “In Suspect Terrain,” “Rising from the Plains,” “Assembling California,” and “Crossing the Craton.” The For a listing of other award recipients first four were originally published in The New Yorker; the fifth appears for the first time to be honored at the Toronto meeting, in this book. Of special interest is McPhee’s roster of “research assistants,” most of see page 8 of the August 1998 issue, whom are members of GSA: Anita Harris, Karen Kleinspehn, Dave Love, Eldridge GSA Today. Moores, and Randy Van Schmus.

8 GSA TODAY, October 1998 WASHINGTON REPORT With respect to support and imple- mentation of new Federal research initia- Bruce F. Molnia, [email protected] tives, the Committee recommended new and diverse modes of funding, including Washington Report provides the GSA membership with a window on the activities diversification of the modes of research of the federal agencies, Congress and the legislative process, and international interactions support to include more projects of that could impact the geoscience community. These reports present summaries of agency broader scope and longer duration, fund- and interagency programs, track legislation, and present insights into Washington, D.C., ing virtual centers for Expeditions into the geopolitics as they pertain to the geosciences. 21st Century, and establishing a program of Enabling Technology Centers. Recog- nizing the critical role that Federal research has played in developing modern Strengthening U.S. Leadership In computing, the Internet, and other Infor- mation Age technologies, the Committee Information Technology urged the President to ensure that this momentum is maintained. The Commit- I am hopeful that the Congress and my Administration can work together to tee argued for sharply increased support advance the leading edges of computational science to help us discover new for basic research, giving highest priority to research on computer software. They technologies that can make this a better world. We have a duty—to ourselves, also stressed the importance of allowing to our children, and to future generations—to make these and other farsighted the research community to “live in the investments in science and technology to take America into the next century future” and tackle long-term, high-risk well-equipped for the challenges and opportunities that lie ahead. research challenges. The Committee found with respect —President William Clinton, August 10, 1998 to setting Federal research priorities, that the total Federal information technology research and development investment is inadequate, and that Federal IT research On August 10, the President’s Infor- production grew by 28%. These three and development is excessively focused mation Technology Advisory Committee industries account for one-third of the on near-term problems. Specifically, with (PITAC), released a report that presents its total growth in production since 1992. respect to research focal points and soci- agenda for ensuring America’s leadership In a June 1998 speech at the Massa- etal implications, the Committee found in the Information Age. This is to be chusetts Institute of Technology, the Presi- that the demand for software far exceeds accomplished by expanding government dent asked Neal Lane, Head of the Office the Nation’s ability to produce it, the investments in long-term research and of Science and Technology Policy and his Nation depends on fragile software, the development in technologies such as com- new science advisor, to prepare a detailed technologies to build reliable and secure puters, networks, and software. It is hoped plan on computing and communications software are inadequate, and the Nation that such investments will drive economic research. He has directed Lane to work is under-investing in fundamental soft- growth, generate new knowledge, create with our nation’s scientific community, ware research. The Committee recom- new jobs, build new industries, ensure and to carefully consider the new research mended that a variety of additional in- our national security, protect the environ- directions identified in the Committee’s vestments be made to enable fundamental ment, and improve the health and quality report. improvements in the Nation’s software of life. The PITAC, co-chaired by Bill Joy, The Committee stressed the impor- quality and its development processes. founder of Microsystems and Ken tance of Clinton Administration initiatives In particular, major improvements must Kennedy of Rice University, is composed in computing and communications such be made to methods for software devel- of 25 of the nation’s top academic and as the Next Generation Internet, the opment, verification and validation, industry computing and communications Department of Energy’s DOE 2000 dis- maintenance, user interfaces to computing experts. tributed computing program, and the systems and electronically represented In accepting this report, President National Science Foundation’s Knowledge information, software for high-end com- Clinton thanked the Committee for their and Distributed Intelligence emphasis. puting, and software to support emerging work in developing a research agenda for This year, President Clinton has proposed ubiquitous and collaborative computing. the Nation, and renewed his commitment budget increases for civilian research and Specific recommendations included: to make significant increases in funding development to keep America at the funding more fundamental research in for computing and communications cutting-edge of science and technology. software development methods and research in the years ahead. “Our nation’s Specifically, the Committee recommended component technologies, sponsoring a economic future and the welfare of our emphasis be placed on: national library of software components citizens depend on continued advances • Techniques for developing software in subject area domains, making software and innovation in the information tech- that is more dependable and reliable; research a substantive component of every nologies which have produced so many • Communication systems which will major IT research initiative, and support- remarkable developments in science, engi- be able to support billions of users ing fundamental research in human- neering, medicine, business, and educa- and devices that are attached to the computer interfaces and interaction. tion,” the President said. network; One recommendation, labeled as a ‘Major The PITAC report notes that the • High-speed computers and software Recommendation’ is to make fundamental growth in today’s information technology that can deliver useful performance that software research an absolute priority. (IT) sector is leading the growth of all is a thousand times faster than today’s The Committee found with respect other sectors of the economy. The Federal most powerful supercomputers; and to software research that the Internet has Reserve reports that during the past five • Research that ensures that America’s grown well beyond the intent of its origi- years, production in computers, semicon- workforce is properly prepared for the nal designers, our Nation’s dependence ductors, and communications equipment challenges and opportunities of the quadrupled at a time when total industrial Information Age. Washington Report continued on p. 10

GSA TODAY, October 1998 9 GSAF UPDATE

Robert L. Fuchs, Foundation Trustee and Planned Giving Consultant Real Estate Gifts are Rock Solid

This is a great time for real estate— The less quantifiable benefit derives At the time of making a real property buying, selling, building, remodeling. from making a meaningful investment in gift, whether the charitable benefit will be Employment is high; people are confident. the work and future of a charitable benefi- immediate or will be deferred, the donor Across North America, businesses are ciary such as GSA. For those who have can direct how the gift will be applied and growing and expanding or moving to new done well, doing good can be a source to what purpose. The proceeds of sale may facilities. Families are investing in upgrad- of important satisfaction. be dedicated entirely to current program ing or replacing their homes. Housing If the “why” of a real property gift uses or may be deposited to an endow- starts are up, and interest rates are down. now seems more evident, the next obvious ment fund and only the earnings spent Home Depot is stocked to the rafters. question is “how?” Not only how might for program activities. Similarly, donors Interestingly, it’s also a great time to this type of gift be made but, of even may direct gift funds to specific programs give away real estate. But why would any- greater concern, how do donors accom- such as research grants or named awards one want to give away a house, a farm, a modate the changes in their lives these recognizing professional achievement or cherished mountain cabin, or a four-unit gifts undoubtedly cause? may prefer that the funds be unrestricted, apartment building? The value of real The “how” of the gifts is straightfor- allowing GSA to allocate them where property—land, buildings, mineral rights ward: Property may be transferred to the there is the most compelling need or and royalties—has appreciated in good GSA Foundation outright and immedi- opportunity. economic times. People find themselves ately by deed or outright in the future by Only you can decide if, when, and owning property assets worth far more will. It may also be transferred to a charita- how a special gift to the GSA Foundation than the original purchase price. ble trust and the benefit preserved to the fits your long-range financial planning. Recent changes in tax policy have donors for their lifetimes. By any of these Perhaps you have not yet thought about a provided some relief by deferring taxation means, donors (or their heirs) realize a gift of real estate. But if your assets include of a portion of capital gains realized on charitable tax deduction as soon as the a house, farm, raw land, mineral rights, or the sale of a residence. But the relief transfer is complete. Regardless of the other property of this kind, upon careful applies only to principal residences and means, and unless a donor has retained consideration you may find that a gift of doesn’t extend to vacation homes or lifetime use of a residence placed in trust, such property may enable you to make income-producing properties. Nor does upon completion of the transfer the GSA a major contribution to the future of it reduce the potential for taxation on the Foundation may sell the property, without geology. value of any real property included in a incurring income or estate taxes, and For further information about gifts of decedent’s estate. So there can be a signifi- invest the proceeds in securities to provide real property, please contact the GSA Foun- cant economic benefit resulting from a income payable to the donors and to dation office by phone (303) 447-2020, gift of such property. GSA’s scientific, educational, and ext. 183, or by e-mail at vbrown@ outreach programs. geosociety.org. ■

Washington Report continued from p. 9 engines, banking, and many others. using the highest performance to meet the Advances in this area will improve practical needs of millions of simultaneous on the Information Infrastructure is the quality of information. users. The future information infrastruc- increasing daily, the US cannot safely • Scaling of the security infrastructure ture will consist of elements that are of extend what we currently know to more to safeguard intellectual property rights, much greater diversity and represent as complex systems, and learning how to to protect against all types of failures or much as a million or more factors of build large-scale, highly reliable and secure attacks, and to provide privacy of access improvement in performance than those systems requires research. To support the when needed. of today. Research is needed to better growing demand and dependence on the The Committee’s recommendations understand how to build models of these information infrastructure, advances are to deal with this software crisis include: large, complex systems. Traffic characteri- needed in at least five major dimensions: expanding the Next Generation Internet zation models and models of the effect of • Scaling to provide robust, high-speed testbeds to include additional industry aggregate demand are needed, as well as access, with assured quality-of-service partnerships in order to foster the rapid the ability to simulate a network under when required. These advances will commercialization and deployment of various conditions. Also needed are test improve the quality of interaction. enabling technologies, and increasing and measurement tools, as well as sup- • Scaling to provide multi-faceted access. funding in research and development of porting standards that provide flexibility This scaling will create new ways for core software and communications tech- and scalability. Software algorithms people to connect. nologies aimed directly at the challenge of for scalable and secure services require • Scaling to provide ubiquitous access. scaling the information infrastructure. improved schemes for filtering vast These advances will increase the num- The Committee recommends that a amounts of information, for coping ber of people with continuous access substantial funding increase be invested in with inaccurate data and with intrusions, to information. the following three key research areas that and for processing huge numbers of user • Scaling of the infrastructure services are critical to scaling the information transactions. to reliably handle many users and infrastructure: Physical distribution—A better infor- requests. These services include authen- Scalability—Improving the informa- mation infrastructure will emphasize geo- tication, resource directories, search tion infrastructure for the Nation requires graphical distribution with its limitations

10 GSA TODAY, October 1998 Donors to the Foundation, GSA Foundation July 1998 3300 Penrose Place P.O. Box 9140 Building Expansion Daniel B. Karner Boulder, CO 80301 Fund Dennis R. Kolata (303) 447-2020 Randolph W. Scealu Modus [email protected] Bromery*◆ Brad S. Singer Gordon P. Eaton*◆ Paul D. Taylor Cordilleran Section Research Grants Enclosed is my contribution in the amount of $______. H. Richard Naslund Endowment Please add my name to the Century Plus Roster (gifts of $150 or more). David C. Seymour◆ Rocky Mountain Please credit my gift to the ______Fund. Charles Lum Drake Section Endowment ◆ International Peter G. George PLEASE PRINT Award Rhea L. Graham◆ ◆ Craig A. Johnson Robert M. Weidman Name ______Memorial Fund SAGE Address ______Robert L. Fuchs in mem- National Science ◆ ory of Bruce Hanshaw Foundation* City/State/ZIP ______Howard R. Gould in Southeastern memory of Philip Section Endowment Phone ______Oxley* ◆ Katharine L. Avary Richard H. Mahard ◆ Robert S. Fousek in memory of ◆ Paul D. Fullagar Philip Oxley*◆ Rhea L. Graham◆ Newport News Ship- Shoemaker Eileen A. Herrstrom◆ building in memory Memorial Fund for Michael E. Hriskevich Digging Up the Past of Philip Oxley Crater Studies Frederick L. Klinger◆ Most memorable early geologic David F. Davidson Langtry E. Lynd experience: North-Central Alex J. Dessler Peter K. Matthews Section Endowment ◆ Seismic work using State vehicles in Yngvar W. and Robert W. Metsger* Eileen A. Herrstrom◆ Southern Illinois fluorspar district Anastasia Isachsen Micromass, Inc.* in early ’50s required getting Northeastern David C. Seymour◆ Unrestricted clearance in moonshine Section Endowment Brian J. Skinner*◆ ◆ Peter J. Fischer ◆ country by announcing Frederick L. Klinger ◆ Robert M. Weidman ◆ Robert S. Fousek destinations in local bars. Robert W. Metsger ◆ Paul D. Fullagar* * Century Plus Roster —Robert Johnson Publications Fund William S. Fyfe (gifts of $150 or more). ◆ Anonymous Peter G. George ◆ Second Century Fund.

on bandwidth, increase in latency of com- more usable. The acceptance and popular- gration, and other capabilities may be munication, and additional challenges in ity of Web browsers demonstrate the less directly visible to individuals, but secure and reliable communication. As the importance of user models, human fac- are essential to making computing and number of computers connected to the tors, and other areas where research is crit- communications facilities more usable. network increases, addressing and routing ically needed. To achieve an information In responding to the President’s becomes more difficult, especially as hosts infrastructure in the fullest sense—an direction, Lane said “I concur with the become mobile, as applications become information infrastructure that reaches Committee’s conclusion that research in more demanding, and as networks seek to ordinary citizens—these efforts must be computing and communications merits provide multiple levels of service to meet extended to address intuitive models of expanded support and is as important to different application needs. Allocating use and user interface technologies to America’s position of leadership in the network capacity and dealing with con- enable a class of information appliances 21st Century as any area of research. We gestion also become more problematic as that will become a part of everyday life. must rededicate ourselves to cutting-edge usage expands. Lastly, ensuring interoper- Intelligent information retrieval systems, R&D in information technology, or other ability—the ability of heterogeneous hard- systems for understanding speech and pic- nations could pass us by, and that is a risk ware and multi-vendor software to inter- tures, and systems for enabling intelligent the United States cannot afford.” operate—will become more challenging. dialogues between people and computer The PITAC report will provide Federal Research is needed to achieve progress in systems are capabilities that will build on agencies with a compelling set of research each of these areas. Government can also the High Performance Computing and goals which will provide valuable guid- play an important role by supporting Communications Initiative (HPCCI) ance as they prepare plans for our year testbeds, such as the Next Generation research and enhance the usefulness and 2000 budget. A copy of the Committee’s Internet (NGI), and demonstration pro- level of use of the information infrastruc- report is available on the World Wide jects that allow early deployment of ture. In addition, research and develop- Web at http://www.ccic.gov. ■ maturing technologies. ment of software technologies such as Usability—The fundamental chal- security, privacy, network measurement lenge to greater acceptance and use of and management, database management, information technologies is to make them transaction processing, application inte-

GSA TODAY, October 1998 11 Institute for Environmental ENVIRONMENT MATTERS Education Fast Forward: Geosciences in the 21st Century

Cathleen May, Director, IEE

“One thing I have learned in a long life: that all our science, measured against real- both natural and anthropogenic circum- ity, is primitive and childlike—and yet it is the most precious thing we have.” stances. Researchers will present studies of —Albert Einstein the occurrence of these elements, particu- larly in groundwater, their effects on bio- geochemical cycles, and potential biore- mediation techniques. Theme session The turn of a century is historically ence into relevant interactions with sib- sponsored by IEE. 8:00 a.m. to noon. a time of societal reflection, focusing our ling disciplines, other scientific fields, and Groundwater Sustainability. attention on real and perceived change. society. Toward that end, the Institute for Researchers will examine sustainability At the close of the 20th century, change Environmental Education sponsors topical of groundwater sources of different types confronts us daily, whether we are paying symposia and sessions for disseminating and scales from arid to humid regions, attention or not. For example, the increas- the results of collaborative and integrated and from the Colorado Plateau to urban ingly global economy and advanced infor- science. IEE also sponsors forums of inter- watersheds. Sustainability issues will be mation technology cause the stock market action among thinkers in disparate disci- explored in terms of both volume and to behave in unprecedented and unpre- plines. The task of providing such venues quality. Theme session sponsored by GSA dictable ways that affect each of us regard- at the Annual Meeting in Toronto was Hydrogeology Division cosponsored by less of our personal exposure. The tempo- accomplished by the advance work of for- IEE. 10:00 a.m. to 12:00 noon. ral window used as a basis for predicting mer IEE director Dan Sarewitz, the dili- Hydrogeologic Controls on cyclic market fluctuations and longer-term gence and enthusiasm of acting director . Hydrogeology and geologic trends was simply too short to capture the Elizabeth Knapp, and the dedication of setting control biological, biogeochemical, factors that might predict 500-point drops committed GSA members before I joined and physical processes as well as the distri- in the Dow triggered by news from the the headquarters staff this past summer. bution and composition of communities Russian economy. When individual I am proud to convey the results of their in many ecosystems. This session investors can trade, over the Internet, efforts, by announcing a daily roster of addresses the effect of hydrogeologic a single stock as many times in one day exciting and timely forums, symposia, processes on development and as they choose for a flat rate of $8.00, the theme sessions, and special events health, and the effects of hydrogeologic old rules for predicting market behavior throughout the GSA Annual Meeting. perturbations. Theme session sponsored no longer apply. We encourage your attendance and partic- by GSA Hydrogeology Division and IEE. The burgeoning global population ipation, and I invite your comments fol- 1:30 to 5:30 pm. and its increased demands on the lowing the meeting. Please contact me at Breaking Down Barriers: Com- resources of the are also factors [email protected], or through Stacey municating Relevant Geoscience that will effect unprecedented change Ginsburg at [email protected]. Issues to the Public II. This symposium on human behavior. As we enter the 21st is one of a triad of venues (see theme and century, however, we cannot afford not Sunday, October 25 poster session listings below) in which to pay attention to directional changes 1:30 to 5:30 pm. earth scientists will present successful in resource consumption and availability, IEE ANNUAL efforts to facilitate learning among non- and our impact on the function of the ENVIRONMENTAL FORUM: geoscientists. The focus is on innovative ecosystems that sustain us. If we are to try The Sustainability Challenge I: products and programs that are improving to predict the unprecedented, our “win- Energy for the 21st Century. When scientific literacy through access to geosci- dow” must enlarge to encompass as many will global oil production peak? How entific information. All three sponsored by vectors of change as conceptually possible. robust are predictions of peak production? Education, Outreach, and Policy Programs, This need virtually prescribes unprece- What are the myths and realities regarding and cosponsored by IEE. Symposium: 1:30 dented approaches in the earth sciences. alternative energy sources? What should to 5:30 p.m. These must include synthetic collabora- be our priorities for use of a declining oil Breaking Down Barriers: tion among the earth sciences, with sibling supply? Can the transition to an economy Communicating Relevant Geo- sciences, and with seemingly distant disci- without oil be peaceful? A panel of eight science Issues to the Public I. plines. Prediction is a risky business, how- distinguished speakers from academia, This poster session provides a close-up ever. Just as “timing the market” is an industry, and the social sciences will look at some of the innovative methods approach best left to the most risk-averse address these questions. We encourage used by imaginative earth scientists to investor, forecasting change in the Earth audience participation from the floor at convey geoscientific information to non- system is not for the faint-hearted. Fortu- scheduled intervals. The Forum is cospon- specialists. Authors will be present from nately, many geoscientists are intellectu- sored by the Committee on Geology and 9:00 to 11:00 a.m. Posters will be dis- ally adventurous and socially committed Public Policy and its ad hoc Critical Issues played from 8:00 a.m. to noon. to the challenge. These are exciting times Committee. for members of the earth sciences commu- Tuesday, October 27 nity. And this is a particularly gratifying Monday, October 26 time to become a member of the head- Research Opportunities in the quarters staff of our Geological Society Natural Sources of and Earth Sciences: A Ten-Year Vision. of America. Arsenic: Significance in Regional This symposium is designed to assist the As the new director for policy and Cycles and Environmental Assess- National Science Foundation and the environmental issues and the Institute of ments. Arsenic and mercury occur as National Research Council develop a long- Environmental Education (IEE), it is my volatile and water-soluble chemical term vision for basic research in the earth job to help our members bring their sci- species, facilitating their dispersal under sciences. This vision will form the basis of

12 GSA TODAY, October 1998 a new long-range plan for NSF’s Earth Sci- ences Division. Don’t miss this chance to IEE Annual Environmental Forum hear some of our profession’s most influ- ential leaders identify and discuss major Sunday, October 25, 1:00–5:00 p.m. trends and opportunities in the 21st cen- tury. Sponsored jointly by NSF and the The Sustainability Challenge I: Energy for the 21st Century NRC, and cosponsored by IEE. 8:00 a.m. “Can We Make It?: The Political Realities of Shrinking Oil and Gas Supplies” to noon. — Mike McCormack Breaking Down Barriers: Com- municating Relevant Geoscience “Shell Solar—Making Energy Available to All” — Roy N. Levitch Issues to the Public II. This theme ses- “Alternative Energy Sources: Myths and Realities” — Walter L. Youngquist sion expands on topics discussed in Mon- day’s symposium. Fully one-half of the ses- “The Decline of Man — The Growing Importance of sion is allocated to discussion, for which Renewables, Using Less, New Lifestyles” — C. J. Campbell audience participation is a must, so please “How Good Are Estimates of Petroleum Resources?” attend as an active participant. 8:00 a.m. — Thomas S. Ahlbrandt to noon. Conversations with the Earth: “Timing of the Decline of Global Oil Production” — John D. Edwards Philosophers and Geoscientists in Dialogue on the Role of the Earth Sciences in Society. Three earth scien- Following David Verardo’s messages tists and three philosophers will explore is the Geology and Public Policy FUNDING OPPORTUNITIES IN the role of geology, at its most elemental, Forum: Geoscience Ethics in Envi- THE HYDROLOGIC SCIENCES in society and culture. Expect philosophi- ronmental and Natural Resource cal perspectives from the scientists, and THROUGH THE NATIONAL Issues. How do we fulfill our roles as citi- observations on the nature of science from SCIENCE FOUNDATION zen-scientists? What ethical considerations the philosophers. Aesthetics, ethics, poli- confront scientists who want to contribute Wednesday, October 28 from 3:00 to tics, the scientific method—the sympo- to the resolution of environmental issues? 5:00 p.m., Room 716B, Metro Toronto sium is an invigorating look at fundamen- Victor Baker (current GSA President) and Convention Centre. tal concepts that inform our individual Eldridge Moores and David Stephenson scientific approaches. Sponsored by IEE (past presidents) will discuss our ethical Presiding: L. Douglas James, Program and the International Association for Envi- and scientific participation in democratic Director, National Science Founda- ronmental Philosophy. 1:00 to 5:00 p.m. processes. Two panelists from outside the tion (NSF), Hydrologic Sciences Developing Sustainability Cur- earth sciences will lend perspective and ricula: A Challenge for Earth Science social dimension to the discussion. Spon- Educators. What is “sustainability” and Have a great hypothesis? Need fund- sored and convened by GSA’s Committee how do we teach about it? Is it a societal ing? Unsure about funding mecha- on Geology and Public Policy; sponsored value, and if so, can it ethically be taught by IEE. 1:30 to 3:30 p.m. nisms? If so, you need to attend this within the paradigm of objective science? session. The session will begin with Earth scientists may well be the group best Thursday, October 29 opening remarks by James on current equipped to develop and teach principles of sustainable resource stewardship. What GSA’s International Division and Coal funding opportunities in the hydro- are the challenges of such a role, and how Division, the U.S. Geological Survey, and logic sciences, followed by an open can we meet them? Sponsored by National the Geological Survey of Canada bring question-answer-discussion period. Association of Geoscience Teachers; you Environmental Quality vs. Eco- If you’re nearing completion of your cosponsored by IEE and the ad hoc Criti- nomic Development: The Role of Ph.D., in a post doctorate position, cal Issues Committee. 1:30 to 5:30 p.m. Coal in Developing Nations. Issues of Education about the Environ- environmental quality and energy devel- struggling to achieve tenure, or just ment: What Works. Thirteen posters opment simply cannot be considered out- looking for new opportunities, then will demonstrate educational success in side their economic context. Nowhere do you need to take advantage of this teaching about the environment. Subjects these issues collide with more impact than chance to meet and question the pro- range from the use of Quick Time Virtual in developing nations. Please don’t leave gram director of a major source of Reality technology to teach - Toronto without paying attention to one ping, to interdisciplinary field courses, of the most critical suites of scientific- funding in the hydrologic sciences. to self-reflection as an educational tool. social-economic issues facing our truly Don’t be shy, come to learn or come Sponsored by NAGT and IEE. 1:30 to global professional community in the 21st prepared with specific questions, 5:30 p.m. century. IEE is proud to cosponsor this comments, and/or concerns important symposium. 8:00 a.m. to noon. about current Wednesday, October 28 The events above offer many oppor- tunities to consider the issues we face as and future Don’t miss your chance to meet with our profession enters into more lively research our Congressional Science Fellow, David interactions with each other, sibling sci- Verardo, and to learn from his experiences funding in ences, and the social sciences. If your eye in From the Outcrop to the Hill: our field. is on change and your professional goals A Year of Correlating Science and include new challenges and opportunities, Public Policy. Also on hand will be please attend as many of the IEE-spon- incoming Science Fellow, Kai Anderson. sored and co-sponsored events as you can Sponsored by Committee on Geology and while in Toronto. We’re convinced you’ll Public Policy and IEE. Noon to 1:00 p.m. walk away thinking. ■

GSA TODAY, October 1998 13 NAS Ad Pickup from p. 9, Sept. GSA Today

14 GSA TODAY, October 1998 What Is Unique plate motions back through time and in discussing the histories of ocean ridges About Geological Reasoning? and subduction zones. G. G.Simpson gave modern specificity Robert H. Dott, Jr., Department of Geology and Geophysics, University of Wisconsin, to the special character of historical sci- Madison, WI 53706 ence (e.g., Simpson, 1963), and since then its importance for the earth sciences has been examined extensively (Watson, 1969; Kitts, 1977; Gould, 1986; Laudan, 1987; Is geology science? Not according to diction as the most essential attributes of Hallam, 1989). Historical science deals Ernest Rutherford, who a century ago said science and the hypothetico-deductive with results of past events and attempts to “There is and stamp collecting.” method as the only valid approach to sci- deduce their causes—the opposite of time- Nor to Lord Kelvin, who asserted, “Noth- entific reasoning. Each generation of geol- less or causal science, which predicts or ing is science if it cannot be quantified.” Is ogists has worried about what, if anything forecasts results from known causes. In geology, then, merely natural history and other than the geo-, is unique about our simplest terms, the distinction is between its practitioners little different from Victo- science. Deep time, the fossil record, uni- prediction and postdiction or retroduction rian amateur collectors? Not if we define formitarianism, the method of multiple with the assumption of uniformity of science simply by the combination of its working hypotheses, and historical science kinds of causes through time providing subject of study, nature, and the formula- are among the special claims. We need to the logical basis for historical inference. It tion and testing of hypotheses. It has long look further for differences, for geology is obvious that and paleontol- been argued that all sciences are derivative certainly is much more than simply ogy are very concerned with reconstruct- from, or can be reduced to, physics. Geol- applied physics and chemistry. Through ing the past, but specialists like metamor- ogy is clearly derivative to the degree that the encouragement of Victor Baker and phic petrologists also practice postdiction it accepts as the basis for analysis of the Kenneth Taylor, I have adapted here a when they infer the past chemical and earth the laws of physics and chemistry, talk on this subject that I presented at a physical conditions of formation of some but many authors have argued that it has Penrose Conference on the History of mineral. Other historical sciences include unique modes of reasoning and unique Geology (Laporte et al, 1994). evolutionary biology, archaeology, and laws of its own. In trying to emulate as well as the long-standing physics, Bucher (1933) went so far as to WHAT IS EARTH SCIENCE? practice of hindcasting in meteorology formulate no less than 46 Laws of Dias- As early as 1837, philosopher William and . trophism. Undeniably such guiding rules Whewell recognized profound differences The principle of uniformity is an as Steno’s stratigraphic laws, Walther’s law, among the sciences. Today we may use the operational assumption that we make in and the law of the graded river are very terms analytical and synthetic science to order to study the past. “The uniformity important, but they are subordinate to highlight such a distinction. The former required is not (necessarily) in nature’s fundamentals like Newton’s law of gravita- stresses quantitative data and testable, activities, but in our account of them” tion, the laws of thermodynamics, and predictive hypotheses, which inevitably (Goodman, 1967, p. 94). The term uni- Mendeleev’s periodic law of the elements. oversimplify; in so doing, they impose an formitarianism, which was coined by Postmodernism has so blurred the idealized order upon nature. Synthetic Whewell in a critical review of Charles meaning of different kinds of knowledge sciences rely chiefly upon qualitative, Lyell’s Principles of Geology (1830), refers to (see Wilson, 1998) that we must be clear descriptive data with verbal and diagram- the historical artifact of Lyell’s assumption about what is science. Freshman textbooks matic arguments, which strive to do jus- of an extreme uniformity of intensity as venerate the so-called scientific method as tice to the great complexity of nature (Hal- well as of kinds of processes. Whewell consisting, in order, of objective data gath- lam, 1989; Schumm, 1991). To distinguish rejected this as too restrictive just as geolo- ering, experimentation, explanation or these two aspects within the earth sci- gists have rejected it for the past 150 years. theory, and prediction. In reality, science ences, Bucher (1941) coined the useful Today we should use some other term, rarely has progressed in such orderly fash- terms timeless and timebound, Laudan such as actualism for the uniformity of ion. This sterile myth leaves no place for (1987) chose causal and historical. Thus kinds of processes (only), and retire hunch, intuition, serendipity, prejudice, crystallographers, together with some uniformitarianism to the archives. vigorous advocacy, nor rancor, all of geophysicists and geochemists, do practice Why Lyell championed his extreme which have played important roles in the timeless, analytical science using the epis- position so vigorously has long puzzled history of science. There is no more elo- temology of physics and chemistry. Pale- geologists. Baker (1998) followed Laudan quent description of how scientific investi- ontologists and stratigraphers at the oppo- (1987) in arguing that to make geology gations really proceed than that of John site extreme are very much timebound respectably scientific, Lyell took cues from Playfair (1802): and strive to synthesize a bewildering Isaac Newton’s vera causa principle, the “… the work of theory and observation diversity of incomplete historical data. consideration only of true and sufficient must go hand in hand, and ought to be As a consequence, their explanations have causes, and a strict kind of induction carried on at the same time, more espe- a more probabilistic character and, like advocated by philosophers David Hume cially if the matter is very complicated, for the detective’s clues, their evidence is and John Stuart Mill. Given the preva- there the clue of theory is necessary to direct the observer. Though a man may largely circumstantial. lence in the early 19th century of biblical begin to observe without any hypothesis, Most earth scientists fall somewhere and fanciful romantic explanations of geo- he cannot continue long without seeing between the causal and historical poles. logical phenomena with unconstrained some general conclusion ... he is led also In reality, nearly all of us move back and cataclysmic violence, Lyell’s appeal only to the very experiments and observations forth between the two extremes, practic- to the kinds and intensities of present that are of the greatest importance ... ing both timeless and timebound science. causes is understandable and perhaps (and) the criteria that naturally present Everyone of us to some degree is con- laudable, for, as Goodman (1967) argued, themselves for the trial of every hypothe- cerned with history, even the geophysicist. the assumption of uniformity is a special sis” (p. 524–525). Paleomagnetism is clearly historical, but case of simplicity or parsimony, the famil- The traditional notion of science once present lithosphere plates were delin- iar Occam’s Razor. Lyell’s extreme unifor- has long had a physics bias emphasizing eated in the late 1960s, geophysicists experimentation, quantification, and pre- became intensely interested in tracking Reasoning continued on p. 16

GSA TODAY, October 1998 15 Reasoning continued from p. 15 for developing historical narratives. Such which have been employed in geology narratives provide a context within which ever since Hall, have relevance for earth mity was the most parsimonious and con- geological details must make sense in historians by providing important insights servative point of departure for studying terms of an overall coherence. Moreover, about timeless processes that, by analogy, the past. I believe that because of chal- he argued, feedback reasoning is impor- provide explanations, even quantifiable lenges by Whewell and others, what began tant, whereby an overall interpretation is ones, for the products of past events. as a premise or method became for Lyell a built from specific, detailed observations, Like many of the standards of what theory about Earth history, which he and then individual pieces are themselves is scientific, the conventional conception spent his entire career defending. reevaluated in terms of the whole. The of experiments for testing hypotheses has Although not so stated by him, implied method of formulating and testing multi- been too restrictive. For example, geo- consequences of such a theory include the ple working hypotheses is an invaluable physicists have long conducted “experi- gradualistic and steady-state views of Earth tool for disciplined historical reasoning ments” in which planned arrays of instru- history, which have so profoundly influ- and is implicit in Frodeman’s stepwise rea- ments are deployed over a large region to enced thinking up to the present time. soning process. Although first formalized investigate the deep structure of particular Because Earth is obviously dynamic and by geologists (Gilbert, 1886; Chamberlin, regions of the earth. If we emphasize change occurs, if directionality is rejected, 1890), the use of multiple hypotheses is “controlled observation” in our definition, then a dynamic equilibrium or steady hardly unique to the earth sciences, as then surely these do qualify as experi- state must be implied (as Lord Kelvin per- Sherlock Holmes could testify. ments. Scale problems can be alleviated ceived clearly), and organic evolution Prediction has long been venerated somewhat by instrumenting sizable would be unacceptable. as an essential element of science, yet it segments of natural systems, the most Both William Whewell and C. S. may seem irrelevant in historical science. spectacular example being the carefully Peirce criticized Lyell’s induction on In reality, however, prediction is employed planned, multidisciplinary 1996 Grand grounds that he sought facts to support here, too, albeit in a more limited sense. Canyon experiment; the controlled-release his theory of a uniformitarian Earth. For example, the field geologist regularly of a large volume of water from Glen They believed, instead, that nature’s predicts what will be found on the other Canyon Dam tested working hypotheses facts should be the only guide to scientific side of a hill or on the opposite shore of an about renourishment of sand bars and inference. For example, if the geomorphic ocean, on the basis of what has already ecological effects upon the biota. facts or results observed in the Scablands been observed. Indeed, the best field work Important insights have also of Washington State imply a flood orders involves the constant posing and testing of been gained from the alert exploitation of magnitude greater than any ever questions, which often become statements of serendipitous opportunities or observed in the present, we should trust of expectation, a form of prediction. There unplanned experiments. The 1990 what nature tells us. Assuming only that is no finer example than that of James Hut- spill of 80,000 Nike shoes from a container the fundamental principles of hydraulics ton, who predicted from his developing ship in the northern Pacific Ocean pro- have been uniform in kind through time, theory of Earth the existence of the famous vided valuable details about surface cur- we can infer the nature of such an unwit- angular unconformity before he had ever rents as shoes arrived upon the beaches of nessed historical event—even quantita- actually observed one in the field! Today, western North America. Another unusual tively! This process of reasoning, whereby prediction has taken on a new, and more opportunity was provided by the fortu- we observe historical effects and then literal, meaning in the earth sciences itous appearance of mudlump islands in infer past causes or past conditions, Peirce because of the impetus for forecasting Pyramid Lake, Nevada, which were similar termed retroduction, in contradistinction future climatic scenarios by extrapolation to ephemeral islands long known at the to induction. Whereas Lyell’s induction from paleoclimatic evidence. mouths of Mississippi River distributaries sought facts to support his theory, retro- A handmaiden of prediction is (Born, 1972). Every earthquake that is duction uses facts to seek a theory. The dif- replication. Although our inferences are recorded by seismographs represents ference is profound, even if subtle. inevitably probabilistic, we have not been an unscheduled, if not completely un- It allows us to accept unwitnessed cata- so conscious of statistical rigor regarding planned, experiment from which knowl- clysmic events, and believe that Earth was sample size and quantified confidence edge about the earth is gained through bombarded by countless in the statements as have biologists and sociolo- instrumental data. past, that it once had an anaerobic atmo- gists, who are faced with similar problems sphere, and that once had running (Strahler, 1987). Replicability actually is GROUND TRUTH water on its surface. Finally, it even means built subtly into our culture; for example AND TOOLS OF THE TRADE that catastrophism, in the sense of not the geologic map provides the basis for For any field-based science, ground restraining the intensities of processes, was replication of field observations. truth lies in geographic places and speci- a better premise than Lyell’s extreme uni- What about experimentation so mens or recorded data tied to those places. formitarianism (Baker, 1998)! long idolized as an essential attribute of Repositories of data include, besides muse- Explanation in historical science science? The conventional notion of an ums and laboratories, also maps, structural emphasizes criteria different from those in experiment, which is simply a procedure and stratigraphic diagrams, photographs, causal science. Because historical hypothe- for the controlled observation of natural and tabulations of physical and chemical ses about events already completed are not phenomena, has more limited application measurements. The sense of place cannot falsifiable in the sense of philosopher Karl in the historical sciences. The huge scale be overemphasized for field sciences, but Popper, it is alleged that studies of Earth of most natural systems both in space and it is often misunderstood. A geologic map, history can not qualify as science. Popper time, as well as the complexity imposed for example, not only records the field has been challenged, however, on grounds by multiple variables and feedbacks, observations of its maker, but also reflects that verification of a historical hypothesis restricts the relevance of experimentation, interpretation. Inevitably every geologic is as valid a means of testing as falsification especially for past events. We can not go map is theory-laden and is itself time- (Kitcher, 1982). back in time and rerun history under var- bound, for it reflects current fashions of Analogy is fundamental for reasoning ied conditions as we can repeat the first- theory, which change over time. A succes- from the present to the past with unifor- ever petrologic melting experiments by sion of geologic maps of the same area, mity of processes as a premise. Frodeman James Hall, in the 1790s, when he melted even if prepared by the same worker, will (1995) emphasized the importance of basalt in a sealed gunbarrel. Petrologic and analogy and the method of hypothesis sedimentologic laboratory experiments,

16 GSA TODAY, October 1998 differ significantly as concepts of structure AN EVOLUTIONARY WORLD VIEW and stratigraphy change. Earth scientists are schizoid, being The collection of field data and its part causal and part historical scientists, interpretation are by no means the sim- and they necessarily must vary the mix plistic, purely descriptive tasks commonly from time to time. Lyell’s extreme unifor- envisioned by outsiders. Especially elo- mitarianism served a valuable function in quent personal characterizations of field challenging early 19th-century biblical work can be found in Cloos (1953) for and fanciful catastrophic geology by advo- geology and in Scholz (1997) for geo- cating the parsimonious method of expla- physics. Peter Lipman’s words concerning nation only in terms of present causes. His three decades of investigation of the enor- extreme restriction of intensity and rate of mous Creede, Colorado, volcanic caldera change, however, was immediately chal- complex, exemplify Frodeman’s stepwise lenged by Whewell on logical grounds, geological reasoning: soon recognized by geologists as overly “Trying to figure out which rocks came constraining, and attacked by Kelvin as a from where in any region is a messy job, violation of the second law of thermody- because the rock record is full of gaps that need to be bridged and irrelevant details namics. On geologic and paleontologic that need to be ignored. To work effec- grounds, Thomas Huxley also recognized tively, geologists need some kind of con- the error of Lyell’s steady state Earth ceptual framework to tell them what they when, in 1869—just 10 years after Dar- can safely overlook and what to look for win’s Origin of Species appeared—he next. So while they try to piece together asserted that Earth, as well as life, must be the big story of the rocks, geologists tell viewed as irreversibly evolutionary. Popu- themselves smaller provisional stories— lar metaphors like “time’s arrow” and working hypotheses about what their “time’s cycle” should be replaced by a observations might ultimately mean.… Which volcanic ash sheet had come from three-dimensional “time’s helix,” in which which volcano? Which sheets had come short-term phenomena can be thought of from the same explosions, and in what as oscillating in a quasi–steady state fash- order?” (Lipman, 1997, p. 33). ion around the long-term mean direc- tional vector of an evolutionary helix. Geology is a very geometric science In spite of the apparent emancipation and relies heavily upon visual, diagram- announced by Huxley, Lyell’s overly matic devices for portrayal of data. Rud- restrictive uniformitarianism continued wick (1976) showed how important the to haunt geological thinking well into the development of a visual language was to 20th century. It discouraged consideration our science. As technological advances of extraterrestrial causes of earthly phe- have provided a growing variety of sophis- nature and its history likewise can not be nomena, retarded the acceptance of possi- ticated analytical tools, types of data more science! Lyell would be horrified at this ble past conditions qualitatively different like those of physics and chemistry have perversion of his epistemology. from present ones (e.g. an anaerobic atmo- come to play an increasing role in earth sphere), and continued to constrain the science. As in other sciences, new tools CONCLUSIONS allowable intensity and rates of past have profoundly affected the development changes as illustrated most dramatically Each science is defined both by what of geology by allowing us to investigate by the 30-year rejection of J Harlan Bretz’s aspect of nature it studies and by how it realms of nature not previously accessible, explanation of the Scablands of Washing- studies, but the history of any science and making it possible to ask new questions as ton State. Lyell’s gradualism blinded us its personalities also distinguishes it. The well as to reexamine old ones. The optical to just how punctuated are both the sedi- feuds not only provide colorful entertain- petrographic microscope invented around mentary and fossil records (Dott, 1983). ment, but also give important insights 1850 was the first great tool for geology, Moreover, any singular historical event into critical issues and the nature of evi- and arguably the most profound. was viewed with suspicion due to a subtle dence available as well as the modes of With the increasing use of instrumen- influence of Lyellian thinking; I believe reasoning and discourse used at particular tal tools, numerical data, and mathemati- that one reason for the early rejection of times. Contrasts in temperament of our cal analyses, one might suppose that earth was that it seemed to intellectual ancestors are always insightful science is evolving toward an entirely have happened but once. Finally, the great and often inspiring. Consider this one: causal science, and that the older, time- appeal for geologists of repetitive or cyclic “Dr. Black dreaded nothing so much as bound geology is destined to become phenomena reflects not only our innate error, and Dr. Hutton nothing so much extinct. As revolutionary as the new tools human desire for order, but also a kind of as ignorance; that the one was always have been, however, specimens and mea- simplicity for which Lyell conditioned us. afraid of going beyond the truth, and the surements derived from a field context Lyell’s ghost haunts us in another other of not reaching it” (Playfair, 1805, still provide the ultimate ground truth, way. Modern creationists pretend that his p. 95–96). and the problems that are addressed with restrictive uniformitarianism is still geol- Among the many claims for episte- the new tools remain fundamentally geo- ogy’s basis for rejecting biblical catastroph- mological uniqueness among the sciences, logic in character, and so are largely time- ism. Ironically, however, they seize upon the importance of postdiction or retroduc- bound. Although geology can justly revel Lyell’s appeal only to “present causes” in tion surely does set historical or time- in its new, powerful toys and quantifica- order to assert that science can only con- bound sciences apart from the timeless, tion, it is still the historical science of the cern itself with phenomena that are hap- causal ones. The earth sciences are a com- earth. In our rush to be modern, we may pening and are observable today. They plex mix of these two end members, so overlook the fact that students still need then conclude not only that evolutionary they must invoke the epistemology of to be grounded in traditional fundamen- biology and paleontology are not science, tals of their science even as they learn to but inevitably all timebound studies of use the latest techniques of their field. Reasoning continued on p. 18

GSA TODAY, October 1998 17 trophism: Princeton, New Jersey, Reasoning continued from p. 17 Press, 518 p. both according to the problem at hand. Bucher, W. H., 1941, The nature of geological inquiry GSA HONORS 50-YEAR FELLOWS Labels such as “derived science” or and the training required for it: American Institute of Mining and Metallurgical Engineering Technical Publi- Norman R. Anderson “descriptive science” or “inexact science” cation 1377, p. 1–6. Thomas D. Barrow should not intimidate us. Ours is a com- Chamberlin, T.C., 1890, The method of multiple work- Paul C. Bateman plex, multivariate subject, and there is ing hypotheses: Science, v. 15, p. 92–96. Robert R. Berg always chance variation in the real world; Cloos, H., 1953, Conversation with the Earth: New Richard R. Bloomer therefore, our conclusions are inevitably York, Knopf, 413 p. John S. Bradley probabilistic. Chaos theory recognizes that Dott, R. H., Jr., 1981, The challenge of scientific cre- Donald A. Brobst most of nature is so nonlinear in its work- ationism: Journal of Sedimentary Petrology, v. 51, F. Eyolf Bronner ings that physics, too, is not so exact as p. 701–704. Laurence Brundall was commonly imagined, and its practi- Dott, R. H., Jr., 1983, Episodic sedimentation—How Charles V. Campbell normal is average? How rare is rare? Does it matter?: tioners recognize that their laws are only Journal of Sedimentary Petrology, v. 53, p. 5–23. Stephen E. Clabaugh William O. Clift models of reality. Frodeman, R., 1995, Geological reasoning: Geology as Long ago, philosophers showed that an interpretive and historical science: Geological Soci- Roger B. Colton it is logically impossible for any science ety of America Bulletin, v. 107, p. 960–968. Wilbert R. Danner to establish absolute truths about nature. Gilbert, G. K., 1886, The inculcation of scientific Norman H. Donald, Jr. Postmodernism has taken this reality to method by example: American Journal of Science, John D. Edwards v. 31, p. 289–299. an extreme, in arguing, in effect, that we John A. Elson can know nothing because all knowledge, Goodman, N., 1967, Uniformity and simplicity, in Christopher F. Erskine Albritton, C.C., ed., Uniformity and simplicity: Geo- Donald F. Eschman including science, is merely a construction logical Society of America Special Paper 89, p. 93–99. Donald L. Everhart of the human mind. Scientists are not Gould, S. J., 1986, Evolution and the triumph of likely to be so persuaded, however, for homology, or why history matters: American Scientist, Pierre Evrard they trust what nature says to them. Most v. 74, p. 60–69. Peter T. Flawn arguments about scientific “truth” and, I Hallam, A., 1989, Great geological controversies Richard Goldsmith (2nd edition): Oxford, UK, Oxford University Press, Howard R. Gould fear, much elementary teaching of science 244 p. Roy W. Graves, Jr. tends to miss the real point of the scien- Huxley, T. H., 1869, Geological reform: Geological Soci- Thomas L. T. Grose tific process. While it is psychologically ety of Quarterly, v. 25, p. xxvii–lxvi. Byron S. Hardie appealing to “know the truth,” the proper Kitcher, P., 1982, Abusing science: The case against James W. Higgins role of theory in science is to guide the on- creationism: Cambridge, Massachusetts, MIT Press, David M. Hopkins 214 p. going exploration of nature; skepticism is Richard A. Hoppin more appropriate than certitude. A suc- Kitts, D. B., 1977, Structure of geology: Dallas, Southern Methodist University Press, 180 p. John E. Johnston cessful prediction is no assurance that Maurice Kamen-Kaye truth has been discovered, only that the Laporte, L., Oreskes, N., and Taylor, K. L., 1994, Penrose conference report: From the inside and the outside: Kendall A. Keenmon proposition that generated the prediction Interdisciplinary perspectives on the history of the Albert L. Kidwell was logically sound. But even if a theory is earth sciences: GSA Today, v. 4, p. 203–204. Mahlon V. Kirk proven wrong and is discarded, it still Laudan, R., 1987, From mineralogy to geology— Walter O. Kupsch would have been a valuable theory if it The foundations of a science, 1650–1830: Chicago, Robert J. Lantz had helped to push forward the frontiers University of Chicago Press, 278 p. Ursula B. Marvin of inquiry. Through the endless process of Lipman, P., 1997, Chasing the volcano: Earth, Decem- Peter H. Masson ber, v. 6, p. 33–39. hypothesis testing, the oft-cited self-cor- George E. Moore, Jr. recting character of science, we hope to Lyell, C., 1830, Principles of geology, being an attempt George B. Morgan, Jr. to explain the former changes of the earth’s surface by approach nearer to an understanding of reference to causes now in operation: London, John Hal T. Morris nature. But no one, especially students, Murray, v. 1, 511 p. J. Lawrence Muir should be allowed to believe that any Playfair, J., 1802, Illustrations of the Huttonian theory: Kiguma J. Murata final, absolute truth is achievable. A dog- Edinburgh, Cadell and Davies, 528 p. Laurence H. Nobles matic arrogance too-commonly conveyed Playfair, J., 1805, Biographical account of the late Dr. Glenn C. Prescott, Jr. by scientists about truth is counterproduc- James Hutton, F.R.S. Edinburgh: Royal Society of Edin- Paul Dean Proctor burgh Transactions, v. 4, p. 39–99. tive in that it provides a lightning rod for Charles C. Rich Rudwick, M. J. S., 1976, Emergence of a visual language Charles S. Robinson creationists, postmodernists, and hostile for geological science, 1760–1840: History of Science, politicians (Dott, 1981). Rather than mis- v. 14, p. 149–195. Robert Schneider Charles B. Sclar representing science as a dry catechism of Scholz, C., 1997, Fieldwork: Princeton, New Jersey, certainties, we should emphasize the Princeton University Press, 190 p. Glenn L. Shepherd Douglas M. Sheridan excitement of the quest for answers to our Schumm, S. A., 1991, To interpret the earth–Ten ways questions. The joy is in the chase, for, as to be wrong: Cambridge, UK, Cambridge University Harry W. Smedes Robert Louis Stevenson said, “It is better to Press, 133 p. Arthur A. Socolow travel hopefully than to arrive.” Simpson, G. G., 1963, Historical science, in Albritton, Frank P. Sonnenberg C. C., Jr., ed., The fabric of geology: Reading, Pennsyl- William Spackman, Jr. vania, Addison-Wesley, p. 24–48. Frederick L. Stead REFERENCES CITED Strahler, A. N., 1987, Science & earth history: The Richard E. Stoiber Baker, V. R., 1998, Catastrophism and uniformitarian- evolution/creation controversy: Buffalo, New York, Prometheus Books, 552 p. Robert Evans Stevenson ism: Logical roots and current relevance in geology, in Harold H. Sullwold Scott, A. C., and Blundell, D., eds., Lyell: The past is the Watson, R. A., 1969, Explanation and prediction in key to the present: Geological Society of London Special geology: Journal of Geology, v. 77, p. 488–494. Patrick K. Sutherland Publication 143 (in press). Florence Robinson Weber Whewell, W., 1837, History of the inductive sciences Born, Stephen M., 1972, Late Quaternary history, from the earliest to the present time: London, Cass, Ray E. Wilcox deltaic sedimentation, and mudlump formation at 3 vols. Clifford L. Willis Pyramid Lake, Nevada: University of Nevada Center for Water Resources Research, Desert Research Institute, Wilson, E. O., 1998, Back from chaos: Atlantic Allen G. Winslow 97 p. Monthly, March, p. 41–62 (Excerpted from Wilson, Edward L. Winterer 1998, Consilience—The unity of knowledge, New York, Stephen S. Winters Bucher, W. H., 1933, The deformation of the earth’s Knopf, 332 p.) ■ crust–an inductive approach to the problems of dias-

18 GSA TODAY, October 1998

Call for Nominations GSA Penrose Medal, Day Medal, and Honorary Fellows

Penrose Medal Honorary Fellows The Penrose Medal was established Geologists who have distinguished themselves in geological in 1927 by R. A. F. Penrose, Jr., investigations or in notable service to the Society may be elected to be awarded in recognition as Honorary Fellows. In practice, nearly all candidates are of eminent research in pure non–North Americans who live and work outside of North Amer- geology, for outstanding ica. The most noteworthy exceptions were astronauts. Most Hon- original contributions or orary Fellows have been elected after many years of outstanding achievements that mark a and internationally recognized contributions to the science. The major advance in the sci- program was established by the GSA Council in 1909, and since ence of geology. The award then, except during a few war years, one or more Honorary Fel- is made only at the discre- lows have been elected annually. The Council of the Society en- tion of the Council. Nomi- courages the membership to submit names of qualified candidates nees are selected by the Council for this honor. In preparing a nomination, it is imperative that and may or may not be members of the Society. Penrose’s sole the original research and scientific advances of the candidate objective in making the gift was to encourage original work in be stressed. All supporting data, especially degrees received, publi- purely scientific geology, which is interpreted as applying to cations, positions, etc., should also be verified by the nominator. all scientific disciplines represented by the Society. Scientific achievements should be considered rather than contributions How to Nominate in teaching, administration, or service. Mid-career scientists who To ensure thorough consideration by the respective commit- have already made exceptional contributions should be given full tees, please submit for each candidate a brief biographical sketch, consideration for the award. such as used in American Men and Women of Science and Who’s Who in America, a summary of the candidate’s scientific contributions to geology that qualify the individual for the award, and a Day Medal selected bibliography of no more than 20 titles. The Day Medal was established in A nomination for any one of these three awards must be sup- 1948 by Arthur L. Day to be ported by signed letters from each of five (5) GSA Fellows or Members awarded annually, or less in addition to the person making the nomination. The letters may frequently, at the discretion be attached to the nomination form or may be sent to the Executive of the Council, for out- Director separately. For Honorary Fellow nominations, please verify standing distinction in degrees received, publications, positions held, etc. The names of contributing to geologic unsuccessful candidates proposed to the Council by the respective knowledge through the committees will remain for consideration by those committees for application of physics and three years. For those still under consideration, it is recommended chemistry to the solution that an updated letter of renomination be sent to the Executive of geologic problems. Day’s Director. intent was to recognize out- The nomination form (p. 21) is also available on the GSA standing achievement and inspire further effort, rather than Web site at http://www.geosociety.org, in the Administration reward a distinguished career. Scientific achievements should be Section. The deadline for receipt of nominations at the office of considered rather than contributions in teaching, administration, the Executive Director is February 1, 1999. ■ and service.

About the Honorary Fellow Program

On page 21 you will find a form to be used in nominat- Honorary Fellows have been elected after many years of out- ing candidates for Honorary Fellowship in the Geological standing and internationally recognized contributions to the Society of America. Each year this honor is bestowed on science. At present there are 62 living geologists who have non–North Americans who live and work outside of North received this honor. America and have distinguished themselves in geological The Council of the Society encourages the membership investigations or in notable service to the Society. Under to submit names of qualified candidates for this honor. In exceptional circumstances, North Americans have been preparing a nomination, it is imperative that the original re- named Honorary Fellows. This amendment to the bylaws search and scientific advances of the candidate be stressed. was made in 1969 when the Apollo II astronauts who first All supporting data, especially degrees received, publications, walked on the were elected. positions, etc., should also be verified by the nominator. Use The program was established by the GSA Council in the form on page 21 for nominating a candidate for Hon- 1909, and since then, except during a few war years, one or orary Fellowship. more Honorary Fellows have been elected annually. Most

20 GSA TODAY, October 1998 THE GEOLOGICAL SOCIETY OF AMERICA Nomination for Penrose Medal, Day Medal, or Honorary Fellowship (please circle one)

NAME OF CANDIDATE: ______ADDRESS: ______Telephone: ______

REQUIRED INFORMATION (Please attach)

BIOGRAPHICAL INFORMATION Suggested sources: American Men and Women of Science, Who’s Who in America GSA Service Record (obtainable from headquarters) Other

SUMMARY OF SCIENTIFIC CONTRIBUTIONS TO GEOLOGY Not more than 200 words.

SELECTED BIBLIOGRAPHY No more than 20 titles.

LETTERS OF SUPPORT Nominations for any one of these three awards MUST BE SUPPORTED by signed letters from five (5) GSA Fellows or Members in addition to the person making the nomination. The letters may be attached to this nomination form or may be sent to the Executive Director separately. Supporting letters must discuss the original research and scientific advances of the candidates. Please also verify all other supporting data.

Name of person making the nomination: ______Phone: ______

Address: ______

Date: ______Signature: ______

Letters of support will be submitted by:

1. ______

2. ______

3. ______

4. ______

5. ______

RETURN TO: GSA Executive Director, P.O. Box 9140, Boulder, CO 80301, Phone: (303) 447-2020

DEADLINE: Completed nominations must be received by February 1, 1999. To be considered, nomination materials must meet the above criteria. Reprints or articles will not be accepted.

GSA TODAY, October 1998 21 Call for Nominations that marks a major advance in the earth sciences. The award, consisting of a gold medal called the Donath Medal, and a cash prize of $15,000 was endowed by Dr. and Mrs. Fred A. Donath. Young Scientist Award For the year 1999, only those candidates born on or after Janu- ary 1, 1964, are eligible for consideration. In choosing candidates for (Donath Medal) the Young Scientist Award, scientific achievement and age will be the sole criteria. Nominations for the 1999 award must include: The Young Scientist Award was • biographical information, established in 1988 to be • a summary of the candidate’s scientific contributions to awarded to a young scien- geology (200 words or less), tist (35 or younger during • a selected bibliography (no more than 10 titles), the year in which the • supporting letters from five scientists in addition to the person award is to be presented) making the nomination. for outstanding achieve- The nomination form (p. 23) is also available at our Web site ment in contributing at http://www.geosociety.org, in the Administration Section. to geologic knowledge Nominations for the 1999 Young Scientist Award must be through original research received at GSA headquarters by February 1, 1999. ■

GSA Medalists and Honorary Fellows

Richard A. F. Penrose, Jr., Medalists 1927 Thomas Chrowder Chamberlin 1941 Norman Levi Bowen 1956 Arthur Holmes 1971 Marshall Kay 1986 Laurence L. Sloss 1928 Jakob Johannes Sederholm 1942 Charles Kenneth Leith 1957 Bruno Sander 1972 Wilmot H. Bradley 1987 Marland P. Billings 1929 No award given 1943 No award given 1958 1973 M. King Hubbert 1988 Robert S. Dietz 1930 Francois Alfred 1944 1959 Adolf Knopf 1974 William Maurice Ewing 1989 Warren Bell Hamilton Antoine Lacroix 1945 Felix Andries Vening-Meinesz 1960 Walter Herman Bucher 1975 Francis J. Pettijohn 1990 Norman D. Newell 1931 1946 T. Wayland Vaughan 1961 Philip Henry Kuenen 1976 Preston Cloud 1991 William R. Dickinson 1932 Edward Oscar Ulrich 1947 Arthur Louis Day 1962 Alfred Sherwood Romer 1977 Robert P. Sharp 1992 John Frederick Dewey 1933 1948 Hans Cloos 1963 William Walden Rubey 1978 Robert M. Garrels 1993 Alfred G. Fischer 1934 1949 Wendell P. Woodring 1964 Donnel Foster Hewett 1979 J Harlen Bretz 1994 Luna B. Leopold 1935 Reginald Aldworth Daly 1950 Morley Evans Wilson 1965 Philip Burke King 1980 Hollis D. Hedberg 1995 John C. Crowell 1936 Arthur Philemon Coleman 1951 Pentti Eskola 1966 Harry H. Hess 1981 1996 John Robert Lawrence Allen 1937 No award given 1952 George Gaylord Simpson 1967 Herbert Harold Read 1982 Aaron C. Waters 1997 John D. Bredehoeft 1938 Andrew Cowper Lawson 1953 Esper S. Larsen, Jr. 1968 J. Tuzo Wilson 1983 G. Arthur Cooper 1998 Jack E. Oliver 1939 1954 Arthur Francis Buddington 1969 Francis Birch 1984 Donald E. White 1940 Nelson Horatio Darton 1955 Maurice Gignoux 1970 Ralph Alger Bagnold 1985 Rudolf Trümpy

Arthur L. Day Medalists 1948 George W. Morey 1959 Sir Edward C. Bullard 1970 Gerald J. Wasserburg 1980 Henry G. Thode 1990 William S. Fyfe 1949 William Maurice Ewing 1960 Konrad B. Krauskopf 1971 Hans P. Eugster 1981 Donald L. Turcotte 1991 Ian Carmichael 1950 Francis Birch 1961 Willard F. Libby 1972 Frank Press 1982 Eugene M. Shoemaker 1992 Susan Werner Kieffer 1951 Martin J. Buerger 1962 Hatten Schuyler Yoder 1973 David T. Griggs 1983 Harmon Craig 1993 Hugh P. Taylor, Jr. 1952 Sterling Hendricks 1963 Keith Edward Bullen 1974 A. E. Ringwood 1984 Wallace S. Broecker 1994 David Walker 1953 John F. Schairer 1964 James Burleigh Thompson, Jr. 1975 Allan Cox 1985 Freeman Gilbert 1995 Thomas J. Ahrens 1954 Marion King Hubbert 1965 Walter H. Munk 1976 Hans Ramberg 1986 E-an Zen 1996 Robert A. Berner 1955 Earl Ingerson 1966 Robert M. Garrels 1977 Akiho Miyashiro 1987 Don L. Anderson 1997 Edward Irving 1956 Alfred O. C. Nier 1967 O. Frank Tuttle 1978 Samuel Epstein 1988 Claude J. Allègre 1998 Bruce E. Watson 1957 Hugo Benioff 1968 Frederick J. Vine 1979 Walter M. Elsasser 1989 Dan McKenzie 1958 John Verhoogen 1969 Harold C. Urey

Young Scientist Award (Donath Medalists) 1989 Mark Cloos 1991 Brian Philip Wernicke 1993 Michael Gurnis 1995 Ward Earl Sanford 1997 Edouard G. Bard 1990 Leigh Handy Royden 1992 John Peter Grotzinger 1994 An Yin 1996 Paul R. Bierman 1998 Terry A. Plank

Honorary Fellows Edwin “Buzz” Aldrin Umberto G. Cordani Emilie Jäger Desmond A. Pretorius Eugen Seibold John R. L. Allen Bruno d’Argenio Victor E. Khain B. P. Radhakrishna Ali Mehmet Celal S¸ engör Shigeo Arimaki Gabriel Dengo Ihsan Ketin Hans Ramberg Boris Sergeevich Sokolov Neil Armstrong Kingsley C. Dunham Teiichi Kobayashi Victor A. Ramos Richard L. Stanton Jean A. Aubouin Stanislaw Dzulynski Hans Laubscher John G. Ramsay Rashid A. Khan Tahirkheli Daniel Bernoulli François Ellenberger Henno Martin Alfred Rittmann Paul Tapponnier Krzysztof Ludwik Birkenmajer Hans Füchtbauer Dan P. McKenzie Alexander B. Ronov Bernard P. Tissot Alfonso Bosellini William S. Fyfe Michael W. McElhinny Rupert W. R. Rutland Livio Trevisan George Malcolm Brown Augusto Gansser German K. Müller Kristján Sæmundsson Rudolf Trümpy S. Warren Carey David Headley Green Mervyn Silas Paterson Rushdi Said Guangzhi Tu Maria Bianca Cita Francisco Hervé Leo Y. Picard Hitoshi Sakai Harry B. Whittington Michael Collins Dorothy Hill Wallace S. Pitcher Mircea Sandulescu Alwyn Williams William Compston Ferenc Horvath Jean Piveteau Harrison Hagan Schmitt Yang Zun-yi Douglas Saxon Coombs Kenneth J. Hsü Isabella Premoli-Silva Werner-Friedrich Schreyer P. G. Cooray Valdar Jaanusson

22 GSA TODAY, October 1998 THE GEOLOGICAL SOCIETY OF AMERICA Nomination for 1999 Young Scientist Award (Donath Medal)

NAME OF CANDIDATE:______Date of birth:______For the year 1999, only those candidates born on or after January 1, 1964, are eligible for consideration.

ADDRESS: ______

REQUIRED INFORMATION (Please attach)

BIOGRAPHICAL INFORMATION Provide in a format similar to that found in American Men and Women of Science, Who’s Who in America.

SUMMARY OF SCIENTIFIC CONTRIBUTIONS TO GEOLOGY Not more than 200 words.

SELECTED BIBLIOGRAPHY No more than 10 titles.

LETTERS OF SUPPORT Nominations for the Donath Medal MUST BE SUPPORTED by signed letters from five (5) scientists in addition to the person mak- ing the nomination. The letters may be attached to this nomination form or may be sent to the Executive Director separately.

Name of person making the nomination: ______

Address: ______

Date: ______Signature: ______

Letters of support will be submitted by:

1. ______

2. ______

3. ______

4. ______

5. ______

RETURN TO: GSA Executive Director P.O. Box 9140 Boulder, CO 80301 Phone: (303) 447-2020

DEADLINE: Completed nominations must be received by February 1, 1999. To be considered, nomination materials must meet the above criteria. Reprints or articles will not be accepted.

GSA TODAY, October 1998 23 Call For Nominations — Call for Nominations National Awards for 2001 for 1999 GSA Distinguished (Deadline: April 30, 1999) Service Award Nominations for the national awards described below are being solicited for 2001. Each year GSA members have been invited to The GSA Distinguished Service Award was established by Coun- participate by recommending possible candidates. cil in 1988 to recognize individuals for their exceptional service Those who wish to make nominations are urged to do so by to the Society. GSA Members, Fellows, Associates, or, in excep- sending background information and vitae, and specifying the award tional circumstances, GSA employees may be nominated for for which the candidate is being submitted by April 30, 1999, to the consideration. Any GSA member or employee may make a GSA External Awards Committee, P.O. Box 9140, Boulder, CO nomination for the award. Awardees will be selected by the 80301, (303) 447-2020, fax 303-447-1133. The nomination process Executive Committee, and all selections must be ratified by the is coordinated by AGI on behalf of its member societies, and a roster Council. Awards may be made annually, or less frequently, at of candidates will be finalized by the AGI Member Society Council the discretion of Council. This award will be presented during at its spring 2000 meeting for nomination to the respective offices the Annual Meeting of the Society. Letters of nomination and sponsoring the national awards. any supporting information should be addressed to Executive Director, GSA, P.O. Box 9140, Boulder, CO 80301. WILLIAM T. PECORA AWARD The Pecora Award, sponsored jointly by NASA and the Depart- Deadline for nominations for 1999 is March 1, 1999. ment of the Interior, is presented annually in recognition of outstand- Recipients to date: ing contributions of individuals or groups toward the understanding 1988...... Campbell Craddock, Robert D. Hatcher, Jr. of Earth by means of . Eldridge M. Moores, William A. Thomas The award recognizes contributions of those in the scientific and 1990...... William B. Heroy, Jr. technical community as well as those involved in the practical appli- cation of remote sensing. Consideration will be given to sustained or 1991...... Dorothy M. Palmer single contributions of major importance to the art or science of the 1992...... A. R. (Pete) Palmer understanding of Earth through observations made from space. 1993...... Michel T. Halbouty 1994...... F. Michael Wahl NATIONAL MEDAL OF SCIENCE 1995...... John E. Costa, Henry T. Mullins, The medal is awarded by the President to individuals “deserving Arthur G. Sylvester of special recognition by reason of their outstanding contributions to 1996...... David M. Fountain, Royann (Gardner) Cygan knowledge in the physical, biological, mathematical, engineering, or Louis C. Pakiser, Jr., Anthony Reso social and behavioral sciences.” 1997 ...... Robert L. Fuchs, Richard A. Hoppin There are now many younger American scientists and engineers Faith E. Rogers, Bennie W. Troxel who may be reaching a point where their contributions are worthy of 1998 ...... June R. Forstrom, Charles J. Mankin, recognition. The committee is giving increasing attention to these George R. Hallberg individuals as well as to those outstanding women and minority scientists who deserve recognition.

VANNEVAR BUSH AWARD The Vannevar Bush Award is presented from time to time to a person who, through public service activities in science and technol- Can Help Direct ogy, has made an outstanding contribution toward the welfare of GSA’s Future mankind and the nation. YOU The award is given to a senior statesman of science and technol- The GSA Committee ogy and complements the NSF’s Alan T. Waterman Award, which is on Nominations given to a promising young scientist. The two awards are designed requests your help in to encourage individuals to seek the highest levels of achievement compiling a list of in science, engineering, and service to humanity. The nomination should be accompanied by a complete biogra- GSA members qualified phy and a brief citation summarizing the nominee’s scientific or tech- for service as officers nological contributions to our national welfare in promotion of the and councilors of the progress of science. Society. The committee requests that each nomina- ALAN T. WATERMAN AWARD tion be accompanied by basic The Waterman Award is presented annually by the NSF and data and a description of the National Science Board to an outstanding young researcher in any qualifications of the individual field of science or engineering supported by NSF. for the position recommended Candidates must be U.S. citizens or permanent residents and (vice president, treasurer, must be 35 years of age or younger, OR not more than five years beyond receipt of the Ph.D. degree by December 31 of the year councilor). in which nominated. Nominations for 1999 officers and councilors Candidates should have completed sufficient scientific or must be received at GSA headquarters no later than engineering research to have demonstrated, through personal FEBRUARY 15, 1999. accomplishments, outstanding capability, and exceptional promise Please send nominations and back-up material for significant future achievement. to Administrative Department, Geological Society of Amer- Remember: Background information and vitae of nominated ica, P.O. Box 9140, Boulder, CO 80301. candidates should be sent by April 30, 1999, to the GSA External Awards Committee, P.O. Box 9140, Boulder, CO 80301. ■

24 GSA TODAY, October 1998 Preliminary Announcement and Call for Papers discussion and road logs to accompany the field trips, plus comprehensive field ROCKY MOUNTAIN SECTION, GSA guides and articles that extend beyond the trips offered at the meeting. Contact Scott 51st Annual Meeting ([email protected]) or Glenn (thacglen@ isu.edu) if you intend to submit a manu- Pocatello, Idaho script. Requirements for submittal will be April 8–10, 1999 provided upon request. Manuscripts due: September 1, 1998.

Premeeting daho State University will host the 1999 Rocky Mountain Section meeting of the 1. Past and Present Tectonics of the Geological Society of America in Pocatello, Idaho. The meeting will be held at the Circum-Yellowstone Bow Wave: SW Cavanaugh’s Pocatello Hotel and Convention Center (Quality Inn) within easy walk- I Montana, NW Wyoming, and SE ing distance to restaurants and other hotels. Flanked by foothills and mountains of the Idaho. Two or three days. Dave Lageson, Bannock and Portneuf ranges, Pocatello is located in the valley of the Portneuf River (406) 994-6913, [email protected], near the margin of the Basin and Range and Snake River Plain geologic provinces. Popu- Dept. of Earth Sciences, Montana State lar geological and touring sites no more than 3 hours’ drive away include Yellowstone University, Bozeman, MT 59717; and National Park, Jackson Hole, the Teton Range, Menan Buttes, Silent City of Rocks, others. Craters of the Moon National Monument, Sun Valley, Lava Hot Springs, the Idaho 2. Tertiary Extension in Southwest- Museum of Natural History, and the Shoshone-Bannock Native American Reservation. ern Montana. One day (possibly in con- junction with field trip 1). Rob Thomas, SETTING for presentations, followed by 5 minutes (406) 683-7615, [email protected], for discussion. Details of poster sessions The Snake River Plain is a 100-km- Dept. of Environmental Sciences, Western will be provided to the participants. wide topographic and volcanic depression Montana College of the University of where Quaternary basaltic volcanic rocks, Montana, Dillon, MT 59725-3598. REGISTRATION AND along with interbedded eolian, alluvial, 3. Geology of Teton Canyon, Mesa ACCESSIBILITY and lacustrine sediments, were deposited Falls Area. One day. Glenn Embree, on Miocene-Pliocene rhyolitic ash-flow Preregistration by mail will be han- (208) 356-1905, and Roger Hoggan, Dept. tuffs that are now exposed only in ranges dled by the Geological Society of America of Geology, Ricks College, Rexburg, ID along the margins of the plain. Basaltic Meetings Department, P.O. Box 9140, 83460-0510. lava flows from monogenetic shield volca- Boulder, CO 80301-9140. Registration 4. Folding and Faulting Above the noes make up most of the stratigraphy, details and forms will be published in Miocene New Canyon and Clifton although other important Quaternary GSA Today in January 1999. Members Detachment Faults, Malad Range, volcanic features include rhyolitic domes, pay less! Join GSA now or at the meeting. Idaho. One day. Jeff Evans and Susanne phreatomagmatic volcanoes, and polyge- Contact Membership Services for further Janecke, (435) 797-3877, [email protected]. netic eruptive centers (such as Craters of information. On-site registration will edu, Dept. of Geology, Utah State Univer- the Moon) composed of pyroclastic cones begin the evening of April 7, 1999. For sity, Logan, UT 84322-4505. and chemically evolved lavas. Mountains additional information, please contact 5. Cedar Butte and Silicic Domes and valleys associated with the Basin and John Welhan, Registration Chairperson, on the Eastern Snake River Plain. Range Province bound the depression on (208) 236-4254, [email protected], Idaho One day. Mike McCurry, (208) 236-3960, the north and south and trend perpendic- Geological Survey, Dept. of Geology, Idaho [email protected], Idaho State Univer- ular to the eastern Snake River Plain axis. State University, Pocatello, ID 83209-8072. sity; and others. The Basin and Range province in the GSA is committed to making every 6. Geology of Thatcher Basin and greater Pocatello area exposes a wide event at the 1999 Rocky Mountain Section Cache Valley. One day. Paul Link, (208) variety of geologic features, including meeting accessible to all people. Special 236-3846, [email protected], and Glenn Proterozoic to Mesozoic sedimentary needs, such as an interpreter or wheel- Thackray, Idaho State University; Darrell rocks, folds and faults formed through chair, will be provided upon request. Kaufman, Northern Arizona University. Mesozoic thrust faulting and Cenozoic Please contact General Chair Scott Hughes, 7. Economic Geology of the SE Idaho extension, Miocene syntectonic basin (208) 236-4387, [email protected], Dept. Phosphate District. One day. Ray fill, and spectacular deposits of the late- of Geology, Idaho State University, Petrun, Solutia, P.O. Box 816, Soda Pleistocene Bonneville Flood. Pocatello, ID 83209-8072. Springs, ID 83276, (208) 547-3391; The meeting site is near the edge of Al Haslam, Agrium Corporation. city commercial activity with convenient FIELD TRIPS access to Interstate highways 86 and 15, Postmeeting Contact trip leaders for details; the approximately 150 miles north of Salt 8. Geology Along the Oregon Trail address for ISU trips is: Dept. of Geology, Lake City, 50 miles southwest of Idaho in Idaho. One and a half days. Paul Link, Idaho State University, Pocatello, ID Falls, and 120 miles east of Twin Falls, (208) 236-3846, [email protected], Idaho 83209-8072. Direct any general inquiries Idaho. Travel by air is convenient and State University; Chilton , to Field Trip Chair Glenn Thackray, (208) available to Pocatello. Pocatello; Greg McDonald, Hagerman 236-3560, [email protected], at the ISU Fossil Beds National Monument. departmental address above. CALL FOR PAPERS 9. Cretaceous Shortening and Miocene Extension of the Putnam Technical papers are invited for pre- Guidebook Thrust Sheet. One and a half days. sentation in conventional theme sessions, A peer-reviewed monograph Guide- Dave Rodgers, (208) 236-3565, rodgdavi@ various symposia, and poster presenta- book to the Geology of Eastern Idaho (Scott isu.edu, Idaho State University; Karl tions. Oral and poster presentations will Hughes and Glenn Thackray, editors) will Kellogg, U.S. Geological Survey. address all aspects of Snake River Plain, be published by the Idaho Museum of Basin and Range, and Rocky Mountain Natural History in conjunction with the geology. There will be 15 minutes allowed meeting. Articles will include scientific Rocky Mountain continued on p. 26

GSA TODAY, October 1998 25 Rocky Mountain continued from p. 25 Idaho; Paul Link and John Welhan, Idaho ited number will be available. Special State University. needs, such as LCD projection or video 10. Mafic Volcanism and Environ- 6. in the Intermountain presentation, may be accommodated if mental Geology of the Eastern West. Willis Weight, (406) 496-4329, sufficient notice is provided. Snake River Plain. Two and a half days. [email protected], Dept. of Geolog- Scott Hughes, (208) 236-4387, hughscot@ ical Engineering, Montana School of EXHIBITS isu.edu, Idaho State University; Richard Mines of the University of Montana, Exhibit space will be available for a Smith, INEEL; Bill Hackett, WRH Associ- Butte, MT 59701. cost of $50 for an area about 12 by 12 feet. ates; Steve Anderson, U.S. Geological 7. Paleozoic Stratigraphy, Structure, For further information, contact Joe Survey. and Tectonics of NE Nevada. Walt Kruger, (208) 236-3871, krugjose.isu.edu, 11. Urban Geology of the Portneuf Snyder, (208) 385-3645, Dept. of Geo- Dept. of Geology, Idaho State University, Valley. One and a half days. John sciences, Boise State University, Boise, Pocatello, ID 83209-8072. Welhan, (208) 236-4254, welhjohn@ ID 83725; Jim Trexler and Pat Cashman, isu.edu, Idaho Geological Survey, Idaho University of Nevada, Reno. STUDENT TRAVEL SUPPORT State University, Pocatello, ID 83209-8071; 8. Glacial and Lacustrine Records Kurt Othberg, Idaho Geological Survey, of Late Pleistocene in the The GSA Rocky Mountain Section has Moscow; Roy Mink, University of Idaho, Intermountain West. Glenn Thackray, funds to support travel to the meeting for Moscow. (208) 236-3560, [email protected], Idaho students. Please submit requests to Ken State University. Kolm, [email protected], Div. of SYMPOSIA 9. Zeolites and Phosphate Mineral Environmental Science and Engineering Deposits in Idaho. Mickey Gunter, Dept., Colorado School of Mines, Golden, The following symposia topics have (208) 885-6015, Dept. of Geology and CO 80401. been submitted, and it is anticipated that Geological Engineering, University of Applications must be received by other specialized topics will be added. Idaho, Moscow, ID 83844-3022. February 1, 1999. Although authors are requested to desig- 10. EDMAP Posters in Idaho. John nate a technical session, we encourage Bush, (208) 885-6192, Dept. of Geology SPECIAL EVENTS and abstracts to be submitted in other topics. and Geological Engineering, University GUEST PROGRAMS General questions concerning symposia of Idaho, Moscow, ID 83844-3022. should be addressed to Technical Program A welcoming reception will be held 11. Academic Service Learning in the Chair Paul Link, (208) 236-3846, linkpaul on Wednesday evening, April 7, 1999. Geoscience Curriculum. Sheila Roberts, @isu.edu, Dept. of Geology, Idaho State A banquet honoring Lehi Hintze will be (406) 683-7017, [email protected], Dept. University, Pocatello, ID 83209-8072. held Thursday evening, April 8, following of Environmental Sciences, Western Mon- Prospective authors should contact indi- the Symposium on the Geology of Utah. tana College of the University of Mon- vidual chairs listed below; see address There will be an Idaho State University tana, Dillon, MT 59725; Dave Mogk, above for those at ISU. alumni party Friday evening, April 9, Montana State University. 1. Past and Present Tectonics of the hosted by the ISU Department of Geology. 12. Idaho Earth Science Teachers Circum-Yellowstone Bow Wave: Other alumni receptions are encouraged. Association. Terry Kuroda, (208) 888-4905, SW Montana, NW Wyoming, and Additional activities will be available, Meridian High School, 1900 West Pine, SE Idaho. Dave Lageson, Rob Thomas, including possibly one or more road trips Meridian, ID 83642. Jim Sears (see field trips 1 and 2 above). to Lava Hot Springs, Sun Valley, or 13. Multimedia Use in Geoscience 2. Tectonic and Magmatic Evolution Jackson Hole. Education. Michael Kelly, (520) 523-8205, of the Snake River Plain. Bill Bonnich- [email protected], CREATE Project, sen, (208) 885-8928, [email protected], ACCOMMODATIONS Northern Arizona University, Flagstaff, Idaho Geological Survey, University of AZ 86011-5694. Rooms have been reserved for the Idaho, Moscow, ID 83844-3014; Craig meeting at the Pocatello Park Hotel and White, Boise State University; Mike ABSTRACTS Convention Center. Additional space is McCurry, Idaho State University. available in nearby hotels. See the meeting 3. Lehi Hintze Symposium on the Abstracts are limited to 250 words Web site (address below) and the final Geology of Utah. Bart Kowallis, (801) and must be submitted on official GSA announcement. 378-8143, [email protected], Dept. of abstract forms, available from Abstract Geology, Brigham Young University, Coordinator, Geological Society of Amer- DETAILED INFORMATION 258 ESC, Provo, UT 84602. ica, P.O. Box 9140, Boulder, CO 80301, 4. Active Tectonics in the Basin and (303) 447-2020, [email protected]. More information concerning Range. Bob Smith, (801) 581-7129, An original and five copies are required for registration, lodging, activities, and the [email protected], 702 Browning each abstract. Only one paper may be pre- program will be provided in the final Bldg., Dept. of Geology and Geophysics, sented by each individual, although a per- announcement in GSA Today, and as part University of Utah, 135 So. 1460 East, son may be coauthor of additional papers. of the Rocky Mountain Section Abstracts Salt Lake City, UT 84112-0111; John Byrd, Please send abstracts to Paul Link, Dept. of with Programs. Address general questions Exxon Exploration Co., Houston. Geology, Idaho State University, 785 South to Scott Hughes, (208) 236-4387, 5. Mesoproterozoic Rocks of North- 8th St., Pocatello, ID 83209-8072. [email protected], Idaho State University, ern Idaho and Vicinity. Reed Lewis, or visit our Web site at http://wapi.isu.edu/ ABSTRACT DEADLINE: (406) 782-2438, 900 West Quartz, Butte, rm-gsa99, for additional details and infor- December 29, 1998 MT 59701; Mark McFadden. mation updates. ■ 6. Waste Remediation Technologies PROJECTION EQUIPMENT in the Idaho National Engineering and Environmental Laboratory. Projection equipment will be pro- Roy Mink, (208) 885-6431, iwrri@uidaho. vided for standard 35 mm slides. Two pro- edu, Idaho Water Resources Research Insti- jectors and two screens will be available. tute, University of Idaho, Moscow, ID Authors are encouraged to provide their 83844-3011; Dale Ralston, University of own carousel if possible, although a lim-

26 GSA TODAY, October 1998 Preliminary Announcement and Call for Papers uiuc.edu; B. Brandon Curry (217) 244-5787, [email protected]; Illinois State Geological Survey, NORTH-CENTRAL SECTION, GSA fax 217-333-2830. 33rd Annual Meeting C. Importance of 3-Dimensional Map- ping for Environmental Geology. Champaign, Illinois Richard C. Berg, Illinois State Geologi- April 22–23, 1999 cal Survey, (217) 244-2776, fax 217- 333-2830, [email protected]. D. Geologic Mapping in Glaciated Areas: Advances and Applications (Posters). he Illinois State Geological Survey and the Department of Geology at the Univer- Barbara J. Stiff, Illinois State Geological sity of Illinois at Champaign-Urbana will host the 33rd Annual Meeting of the Survey, (217) 244-2510, fax 217- North-Central Section of the Geological Society of America. The meeting will be T 333-2830, [email protected]; held in the Clarion Hotel and Convention Center in Champaign. Societies and organiza- Peter T. Lyttle, U.S. Geological Survey, tions meeting with the North-Central Section include the Association for Women Geo- Reston, Virginia, (703) 648-6943, fax scientists, Central Section of the National Association of Geoscience Teachers, Great 703-648-6937, [email protected]. Lakes Section of SEPM, and North-Central Section of the Paleontological Society. 8. Tectonics and Seismicity in the Midcontinent U.S. John H. McBride, CALL FOR PAPERS isgs.uiuc.edu; Thomas M. Johnson, Uni- Illinois State Geological Survey, (217) versity of Illinois, (217) 244-2002, fax Papers on all topics listed on the GSA 333-5107, fax 217-333-2830, mcbride@ 217-244-4996, [email protected]. abstract form are invited from students isgs.uiuc.edu. D. Innovative Field Techniques and and professionals for presentation in oral 9. Economic Geology of Mineral and Equipment (Posters). Edward Mehnert, or poster sessions. Presentations that may Energy Resources of the Midconti- Illinois State Geological Survey, (217) fit into one of the symposia (invited and nent United States. Subhash B. Bhag- 244-2765, fax 217-244-2785, mehnert@ volunteered papers) are also solicited. wat, Illinois State Geological Survey, (217) isgs.uiuc.edu. Those interested in presenting a paper or 333-7409, fax 217-333-2830, bhagwat@ 3. Functional Morphology and poster in a symposium should contact the isgs.uiuc.edu. A: Construction Aggregates of Extinct Vertebrates. symposium convener and indicate on the and Associated Minerals; B: Industrial (Sponsored by Paleontological Society North- abstract form that the abstract be included Minerals Other Than Construction Aggre- Central Section.) James Farlow, Indiana in a particular symposium. Special sessions gates.; C: Fossil Fuels and Associated Min- University/Purdue University at Fort focused on specific themes or subjects will erals; D: Economics of Groundwater Wayne, Fort Wayne, IN 46805-1499, be arranged by the local program commit- Resources. (219) 481-6251, fax 219-481-6880, tee after review of the abstracts. Oral pre- 10. Outreach: A Necessity for Our [email protected]. sentations will be allotted 15 minutes fol- Profession. (Sponsored by National 4. Heinz A. Lowenstam Symposium lowed by 5 minutes for discussion. Two Association for Geoscience Teachers Central on the Silurian System of the Cen- four-hour poster sessions are planned for Section.) Myrna M. Killey, (217) 244-2409, tral United States. Donald G. Mikulic, each day. [email protected], Janis D. Treworgy, Illinois State Geological Survey, (217) (217) 244-6942, [email protected], 244-2518, fax 217-333-2830, mikulic@ SYMPOSIA Illinois State Geological Survey, fax 217- isgs.uiuc.edu; Joanne Kluessendorf, Uni- 333-2830. A: Oral Session; B: Poster Ses- The mailing address for all at the versity of Illinois, (217) 367-5916, fax 217- sion—Hands-On and High Tech Activities: Illinois State Geological Survey is 615 E. 244-4996, [email protected]. Making Geoscience Exciting for Students. Peabody Dr., Champaign, IL 61820. 5. Paleozoic Environments of the 11. Geoarchaeological Burial Proc- Midcontinent United States (Sponsored 1. Karst Hydrology and Associated esses. Donald L. Johnson, Dept. of Geog- by SEPM Great Lakes Section.) Bruce W. Water Quality in the Midcontinent. raphy, University of Illinois, 220 Daven- Fouke, Dept. of Geology, University of Samuel V. Panno, (217) 244-2456, port Hall, Urbana, IL 61801, (217) Illinois, 1301 W. Green Street, Urbana, [email protected]; and C. Pius Weibel, 333-0589, [email protected]; E. Arthur IL 61801-2999, (217) 244-5431, fax 217- (217) 333-5108, [email protected], Bettis, III, University of Iowa, (319) 244-4996, [email protected]. Illinois State Geological Survey, fax 335-1578, [email protected]. edu; Zakaria Lasemi, Illinois State Geologi- 217-244-2785. 12. Midwestern Geologists: Late 19th cal Survey, fax 217-244-2785, lasemi@ 2. Studies in Hydrogeology. Century–Early 20th Century. Ralph L. isgs.uiuc.edu. A. Characterizing Agricultural Impacts Langenheim, Jr., Dept. of Geology, Univer- 6. Coastal Geology in the Great on Shallow Groundwater Quality. sity of Illinois, 1301 W. Green Street, Lakes Region: Accomplishments of Edward Mehnert, (217) 244-2765, Urbana, IL 61801-2999, (217) 333-1338, the 20th Century; Challenges for the [email protected]; William S. Dey, fax 217-244-4996, [email protected]. 21st Century. Michael J. Chrzastowski, (217) 244-2779, [email protected], Illi- edu. Illinois State Geological Survey, (217) nois State Geological Survey, fax 217- 13. Is “Geology and Public Policy” 244-2194, fax 217-244-0029, chrzasto@ 244-2785. Just Another Oxymoron? Thomas J. isgs.uiuc.edu. B. Modeling Geologic Environments Evans, Wisconsin Geological and Natural 7. Geologic Mapping in for Hydrogeologic Applications. History Survey, 3817 Mineral Point Rd., Glaciated Areas. Donald A. Keefer (217) 244-2786, Madison, WI 53705, (608) 263-4125, fax A. Midwest Coalition on Geologic Map- [email protected]; David R. Larson, 608-262-8086, [email protected]. ping in Glaciated Areas. William W. (217) 244-2770, dlarson@isgs. 14. Special Poster Session on Under- Shilts, Illinois State Geological Survey, uiuc.edu, Illinois State Geological graduate Research. (Sponsored by Coun- (217) 333-5111, fax 217-244-7004, Survey, fax 217-244-2785. cil on Undergraduate Research.) These [email protected]. C. Chemical and Isotopic Studies posters, written and presented by under- B. Nature of the Sediment Record and of Groundwater. Keith C. Hackley, graduate students, will form a separate How It Affects Mapping. Ardith K. Illinois State Geological Survey, (217) Hansel, (217) 333-5852, hansel@isgs. 244-2396, fax 217-244-2785, hackley@ North-Central continued on p. 28

GSA TODAY, October 1998 27 North-Central continued from p. 27 2. Exploring the in the fax 217-333-2830, [email protected]; Classroom: Hands-On Approach. Joanne Kluessendorf, University of Illinois, poster session or be part of another poster Cassandra R. Coombs, Dept. of Geology, (217) 367-5916, fax 217-244-4996, session, depending on the response. Co- College of Charleston, 58 Coming Street, [email protected]. authored papers for which the student is Charleston, SC 29424, (803) 953-8279, 5. Neotectonics of the Southern senior author will also be considered. [email protected]; Eileen Herrstrom, Illinois Basin. W. John Nelson, Illinois Undergraduate students who have been University of Illinois, (217) 244-6172, State Geological Survey, (217) 244-2428, involved in research are strongly urged to fax 217-244-4496, [email protected]. fax 217-333-2830, [email protected]; submit abstracts on their research projects, 3. SEPM Short Course—Tidal Rhyth- Richard W. Harrison, MS 926A, U.S. Geo- activities, techniques, and/or preliminary mites. Erik P. Kvale, (812) 855-1324, logical Survey, Reston, VA 22092, (703) results. For additional information, con- [email protected], and Maria Mastalerz, 648-6928, [email protected]; David Hoff- tact Robert D. Shuster, Dept. of Geogra- (812) 855-9416, [email protected], man, Missouri Department of Natural phy-Geology, University of Nebraska Indiana Geological Survey, 611 Walnut Resources, Division of Geology and Land at Omaha, Omaha, NE 68182, (402) Grove, Bloomington, IN 47405, fax 812- Survey, P.O. Box 250, 111 Fairgrounds Rd., 554-2457, fax 402-554-3518, bshuster@ 855-2862; Allen W. Archer, Kansas State Rolla, MO 65401, (573) 368-2144, cwis.unomaha.edu. University, (785) 532-2244, aarcher@ [email protected]. ksu.edu; Norman C. Hester, Indiana 6. Depositional Facies and Sequence POSTER SESSIONS University, Bloomington. Stratigraphy of the Middle Mississip- pian Warsaw Shale and Salem, St. Students and professionals are FIELD TRIPS Louis, and Ste. Genevieve Limestones encouraged to take advantage of this effec- in Western Illinois. Zakaria Lasemi, tive means of presentation. Please indicate The trips listed here are provisional. (217) 244-6944, [email protected], poster session on the GSA abstract form. A final list of trips, schedules, and costs Rodney D. Norby, (217) 244-6947, Each poster booth will contain two panels, will be available in the January 1999 issue [email protected], and Joseph A. each 4 × 4 feet, made of soft particle of GSA Today. Field trip coordinators are Devera, (618) 985-3394, [email protected], board, and arranged at table height. Janis D. Treworgy, (217) 244-6942, janis@ Illinois State Geological Survey, fax 217- Poster sessions will be located in the isgs.uiuc.edu; and Myrna M. Killey, (217) 244-2785. same area as exhibits and will be available 244-2409, [email protected], Illinois for viewing for four hours. State Geological Survey, fax 217-333-2830. STUDENT PAPER AWARDS AND The mailing address for all at the Illi- TRAVEL ASSISTANCE GRANTS ABSTRACTS nois State Geological Survey is 615 E. The North-Central Section of GSA will Abstracts must be submitted camera- Peabody Dr., Champaign, IL 61820. award $100 each for up to eight papers ready on official GSA abstract forms in judged best in their respective technical accordance with the instructions on the Premeeting sessions. The principal author and presen- forms. Abstract forms are available from 1. Glacial Sediments, Landforms, ter must be a graduate or undergraduate Abstracts Coordinator, Geological Society Paleosols, and a 20,000-Year-Old student. Abstracts of papers submitted for of America, P.O. Box 9140, Boulder, CO Forest Bed in East-Central Illinois. consideration for these awards should be 80301-9140, (303) 447-2020, ncarlson@ Ardith K. Hansel, (217) 333-5852, so indicated on the abstract form. geosociety.org, from C. Pius Weibel, [email protected], and Richard C. Berg The North-Central Section of GSA, North-Central Section Program Coordina- (217) 244-2776, [email protected], Illi- in cooperation with the GSA Foundation, tor, Illinois State Geological Survey, 615 E. nois State Geological Survey, fax 217- offers travel assistance grants up to $200 Peabody Dr., Champaign, IL 61820, 333-2830; Vince Gutowski, Dept. of (exclusive of field trip fees) to Student [email protected], and from GSA Geology and , Eastern Illinois Associates of GSA. Assistance will be Campus Representatives at most colleges University, Charleston, IL 61920, (217) offered on a first-come, first-served basis, and universities in the North-Central Sec- 581-3825, [email protected]. and priority will be given to students pre- tion region. There is no fee for submitting senting oral or poster papers. To be eligible an abstract. Postmeeting for travel assistance grants, students must 2. Geology, Hydrology, and Water ABSTRACT DEADLINE: be currently enrolled in an academic Quality of the Karst Regions of January 11, 1999 department and certify their student Southwestern Illinois and South- membership in GSA. Applications for Send one original and five copies to eastern Missouri. Samuel V. Panno, travel assistance grants may be obtained North-Central Section Program Coordina- (217) 244-2456, [email protected], and from Jay D. Bass, Dept. of Geology, Uni- tor C. Pius Weibel, at the address given C. Pius Weibel (217) 333-5108, weibel@ versity of Illinois, 1301 W. Green Street, above. Abstracts submitted for inclusion in isgs.uiuc.edu, Illinois State Geological Urbana, IL 61801-2999, (217) 333-3542, symposia should be sent directly to the Survey, fax 217-244-2785; Carol Wicks, fax 217-244-4996, [email protected]. first symposium organizer listed for each Dept. of Geological Sciences, University uiuc.edu. Applications for travel assistance symposium. Contributors desiring of Missouri—Columbia, (573) 882-3231, must be received no later than March 12, acknowledgment of receipt of the abstract [email protected]. 1999. should include a stamped, self-addressed 3. Quaternary Geology, Geomorphol- envelope or postcard. ogy, and Climatic History of Kane PROJECTION EQUIPMENT County, Illinois. B. Brandon Curry, WORKSHOPS (217) 244-5787, [email protected], Two standard 35-mm carousel projec- and David A. Grimley, (217) 244-7324, tors for 2 × 2-inch slides and two viewing 1. Introduction to GIS: Applications [email protected], Illinois State Geo- screens will be provided in each meeting for Geologic Mapping. Robert J. logical Survey, fax 217-333-2830. room. An overhead projector for trans- Krumm, Illinois State Geological Survey, 4. The Silurian Depositional Envi- parencies will also be available for each 615 E. Peabody Dr., Champaign, IL 61820, ronments and Sequence Stratigra- room. A speaker ready room equipped (217) 333-4085, fax 217-333-2830, phy of the Northern Edge of the Illi- with projectors will be available for review [email protected]. nois Basin. Donald G. Mikulic, Illinois State Geological Survey, (217) 244-2518, North-Central continued on p. 29

28 GSA TODAY, October 1998 North-Central continued from p. 28 The Abstracts with Programs book may DETAILED INFORMATION be purchased with your GSA membership Detailed information concerning and practice. Each carousel to be used in or on site in the registration area. registration, hotel and motel accommoda- an oral presentation should be identified tions, alternative opportunities in Cham- with the speaker’s name, session number, GETTING TO CHAMPAIGN paign and central Illinois, technical and speaker number and must be ready The Clarion Hotel and Convention sessions, symposia, field trips, and work- for use at the beginning of the technical Center is located in Champaign adjacent shops will appear in the January 1999 session. to the campus of the University of Illinois. issue of GSA Today. Check our Web site at Champaign is reached by major highways http://www.isgs.uiuc.edu/isgsroot/gsa-site/ BUSINESS MEETINGS AND including I-74, I-72, I-57, U.S. Hwy 150 gsahome.html. Inquiries, requests, or sug- SOCIAL EVENTS and U.S. Hwy 45. Champaign is served gestions should be directed to Dennis R. The GSA North-Central Section Man- by several airlines via the University of Kolata, General Chair, GSA North-Central agement Board will hold its business meet- Illinois Willard Airport and is a hub for Section, Illinois State Geological Survey, ing with breakfast on Thursday morning, Greyhound Bus and is served by Amtrak 615 East Peabody Dr., Champaign, IL April 22, 1999, beginning at 7:00 a.m. The from Chicago or New Orleans. 61820, (217) 244-2189, fax 217-333-2830, location will be published in the Abstracts [email protected]. ■ with Programs volume. A Welcoming Reception will be held on Wednesday evening April 21, 1999. The Annual Banquet will be held on Thursday evening, April 22, preceded by a social hour beginning at 6:00 p.m. A special address will follow dinner and a brief business meeting. Congressional The Paleontological Society North- 1999–2000 Central Section and the SEPM Great Lakes GSA Science Fellowship Section will meet jointly for lunch at noon on Thursday, April 22. The GSA North- Central Section Campus Representatives he Geological Society of America is accepting applications for the breakfast and meeting will be held Friday 1999–2000 Congressional Science Fellowship. The Fellow selected will morning, April 23, 1999, at 7:00 a.m. Also T spend a year, or, optionally, 16 months in the office of an individual planned are a luncheon (Friday) for the member of Congress, a congressional committee, or a congressional sup- Central Section of the National Associa- port agency for the purpose of contributing scientific and technical expertise to tion of Geoscience Teachers and an Associ- public policy issues and gaining firsthand experience with the legislative process. ation for Women Geoscientists breakfast The American Association for the Advancement of Science conducts an orientation meeting. program to assist the Fellow seeking a congressional staff position in which he or she can work on major legislative issues. HOUSING CRITERIA A large block of rooms has been The program is open to highly qualified Ph.D. earth scientists. Candidates are reserved in the Clarion Hotel and Conven- expected to show exceptional competence in some area of the earth sciences, tion Center, and special room rates have have a rather broad professional background, be cognizant of many matters out- been negotiated. Blocks of rooms also side their particular area, and have a strong interest and some experience in apply- have been reserved at several other hotels ing scientific knowledge toward the solution of societal problems. in the vicinity of the convention center. A list of names, telephone numbers, and AWARD room rates will be available in the January The 1999–2000 GSA Congressional Science Fellow will receive a one-year stipend 1999 issue of GSA Today. Registrants are of $42,000, or $56,000 for 16 months. The Fellow will also receive limited responsible for making their own housing allowances for health insurance, relocation, and travel. The fellowship is funded by arrangements and are encouraged to stay GSA and by a grant from the U.S. Geological Survey. at the Clarion Hotel, where most activities (The fellowship is available only to U.S. citizens, and employ- related to the meeting will be held. ees of the USGS are ineligible to apply for this fellowship. For information about other programs, contact the AAAS, Deadline for REGISTRATION , ACCESSIBILITY, or the Geological Society of America.) AND ABSTRACTS BOOK receipt of all application TO APPLY PREREGISTRATION DEADLINE: materials is Procedures for application and detailed require- March 19, 1999. February 1, ments are available in the geology departments The registration form will be in the of most colleges and universities in the United 1999 January 1999 issue of GSA Today. Members States or upon request from: pay less! Join GSA now or at the meeting. Executive Director Contact Membership Services for further Congressional Science Fellowship information. Geological Society of America GSA is committed to making every P.O. Box 9140 event at the 1999 North-Central Section Boulder, CO 80301 meeting accessible to all persons interested in attending. You can indicate special requirements, such as an interpreter or wheelchair accessibility, on the registra- tion form.

GSA TODAY, October 1998 29 GSA Divisions and Sections Award Grants for 1998

Leah Carter, GSA Grants Administrator

Division Research Grants Chadwick, University of Delaware, for his Claude Albritton. The division continues project “Ground Penetrating Radar Reveals to seek contributions to the fund in his Nine of the twelve GSA divisions offer the Relationship between Sea-level Rise memory to provide scholarships for gradu- grants for outstanding student research and the Prehistoric Occupation of Relict ate students in the earth sciences and within the fields of the respective divi- Recurved Spits, Cape Henlopen, Delaware” archaeology. sions. Recipients of these grants for 1998 which will be presented in the division’s are listed below. The three divisions that technical session at the GSA Annual Meet- COAL GEOLOGY DIVISION do not currently offer any awards to ing in Toronto. There have been no accepted nomina- students are Geoscience Education, The Claude C. Albritton, Jr., Memorial tions for the Antoinette Lierman Medlin , and the International Student Research Award goes to Sarah C. Research Award or the Medlin Field Division. Sherwood, , for her Award. project “Depositional History of Dust ARCHAEOLOGICAL GEOLOGY Cave, Alabama.” The Claude C. Albritton, ENGINEERING GEOLOGY DIVISION Jr., Memorial Fund was established at the DIVISION The Archaeological Geology Division GSA Foundation in 1991 with contribu- The student research grant awarded awarded two grants this year. A student tions from the family and friends of by the Engineering Geology Division for travel grant was awarded to William J. an outstanding research proposal in 1998 was presented to Stanley J. Galicki from the University of Mississippi, for his project “Temporal Equivalent Geochemi- cal and Dendrochemical Analysis and 1999 Research Correlation of Heavy Metal Loading in a Wetland Sediment Profile, Sky Grants Program Lake, Humphreys County, Mississippi.” GEOPHYSICS DIVISION for Students The Geophysics Division presented the Allan V. Cox Student Research Award he primary role of the Research Grants Program is to provide partial support this year for an outstanding student for research in earth science by graduate students at universities in the United research proposal submitted to the GSA States, Canada, Mexico, and Central America. GSA strongly encourages Research Grants Program to Michael S. T Petronis, University of New Mexico, for women, minorities, and persons with disabilities to participate fully in this grants program. Eligibility is not restricted to GSA members. New application forms are his project “Paleomagnetism and Struc- available each fall in the geology departments of colleges and universities offering tural History of the Silver Peak Range, graduate degrees in earth sciences. Forms are mailed to GSA Campus Representa- West-Central Nevada.” tives, department secretaries, and chairpersons in the United States, Canada, and Mexico. Application forms and information will be available on GSA’s Web page HYDROGEOLOGY DIVISION http://www.geosociety.org as of December 1, 1998. Applications may be down- Awards for outstanding student loaded from the Web but may not be submitted by e-mail. They are also available research from the Hydrogeology Division upon request from the Research Grants Administrator, Geological Society of Amer- were presented this year to four students: ica, P.O. Box 9140, Boulder, Colorado 80301. Please use only the current 1999 appli- Robert Andress, Iowa State University, for cation and appraisal forms. “Nitrate Fate and Transport in Groundwa- ter within a Riparian Management System Confidential evaluations from two faculty members are required from candidates for in Central Iowa”; Sunil Mehta, University the M.S. or Ph.D. degree and must accompany applications submitted. PLEASE USE of Kentucky, for “Determining the Mecha- THE “APPRAISAL OF APPLICANT” FORMS, WHICH ACCOMPANY THE 1999 APPLI- nism and Extent of Regional Salinization CATION FORMS. APPLICATION FORMS WILL NOT BE ACCEPTED BY FACSIMILE OR in the Ogallala Aquifer, Southern High E-MAIL. Plains, Texas”; Remo Nardini, George The Geological Society of America awarded over $300,000 in grants in 1998. The Washington University, for “Use of Geo- grants went to 187 students doing research for advanced degrees. The average graphic Information Systems in the Analy- amount awarded was $1654. The largest grant was $2500, but there is no predeter- sis of Groundwater Chemistry and its Rela- mined maximum amount. Funding for this program is provided by a number of tionships to Lithology and Land Use, sources, including GSA’s Penrose and Pardee endowments, the National Science Loudoun County, Virginia”; and Matthew Foundation, industry, individual GSA members through the GEOSTAR and Research M. Uliana, University of Texas at Austin, Grants funds, and numerous dedicated research funds that have been endowed at for “The Influence of Structural Features the GSA Foundation by members and families. on Interbasin and Regional Groundwater Flow in the Southern Salt Basin and Toyah The Committee on Research Grants will meet in April to evaluate applications and Basin of West Texas.” award grants. In April, all applicants for grants will be informed of the committee's actions by the Executive Director of the Geological Society of America. DIVISION The Planetary Geology Division pre- ALL APPLICATIONS MUST BE SUBMITTED ON THE 1999 FORMS sents the Stephen E. Dwornik Best Student AND POSTMARKED BY FEBRUARY 1, 1999 Grants continued on p. 31

30 GSA TODAY, October 1998 Grants continued from p. 30 AMS 1999 Annual Meeting To Emphasize Paper Awards annually to students who are U.S. citizens and are pursuing advanced Climate and Global Change degrees in Planetary Sciences. The awards The American Meteorological Society 1999 annual meeting will feature an assortment are presented each year for papers given in of symposia and conferences, including sessions on climate and human health, atmo- March at the Lunar and Planetary Science spheric chemistry, public awareness of and climate prediction, and paleocli- Conference. Recipients of the 1998 awards mate studies in the Americas. The meeting will be in Dallas, Texas, January 10–15, are Nancy L. Chabot, University of Ari- 1999. GSA will be a cosponsor. For more information, see the calendar section of this zona, for the best oral presentation for issue, p. 34. her paper “The Effect of S on the Solubility of K in Metal,” and Michelle E. Minitti, , for the best poster pre- each section’s respective geographical NORTHEASTERN SECTION sentation for “Assessment of Shock Effects boundaries. The Cordilleran and Rocky The Northeastern Section awarded on Hornblende Water Contents and Iso- Mountain Sections do not currently offer grants to six undergraduate students. The topic Composition.” Recipients of the student research grants. Grants awarded 1998 recipients are: Riley Brown, Univer- awards are presented with a citation and in 1998 by the other sections are listed sity of Maine; Kevin Eastham, Juaniata a $500 cash prize in an awards ceremony below. College, Pennsylvania; Nicole Sencza- held at NASA Headquarters in Washington, kiewicz, Kean College of New Jersey; Han- D.C., early in the summer. NORTH-CENTRAL SECTION nah J. Thomas, Mount Holyoke College, The North-Central Section awarded Massachusetts; Bryn Welker, Bloomsburg QUATERNARY GEOLOGY AND grants for undergraduate research projects University, Pennsylvania; and Donald GEOMORPHOLOGY DIVISION to students who attend a college or uni- Alexander Wood, Acadia University, The Quaternary Geology and Geo- versity within the North-Central Section Nova Scotia, Canada. morphology Division awarded the J. geographic area. Research proposals are Hoover Mackin Grant to Noah Snyder, submitted and evaluated competitively. SOUTHEASTERN SECTION MIT, for “ Response to Varying Recipients for 1998 are: Paul R. Hanson, GSA’s Southeastern Section awarded Uplift, King Range, Northern California.” University of Wisconsin—Milwaukee; research grants to 12 students this year. Two Arthur D. Howard Research Grants Melodie Hessling, Saint Louis University; The 1998 recipients are: Jonathan Remo, were awarded this year. Recipients are Kristy Tramp, University of Nebraska— West Virginia University; Andrey Bekker, Yarrow Axford, Utah State, for “Late Qua- Lincoln; Julie Welch, University of Virginia Polytechnic Institute; Jennifer ternary Glacier Fluctuations and Vegeta- Nebraska at Omaha; Melissa A. Hays, Elick, University of Tennessee; James tional Changes in NW Aklum Mountains, University of Akron; James Essex, Miami Hogan, University of Tennessee; Jessica SW Alaska”; and Sarah Linfield Brown, (Ohio) University; Jeffrey M. Rahl, Uni- Huckmeyer, Vanderbilt University; Amber University of Vermont, for “Lacustrine versity of Dayton; and Kelly L. Bergman, Huntoon, University of North Carolina; Records of Holocene Hillslope Erosion University of Nebraska—Lincoln. Brannon McDonald, Auburn University; in New England.” Sunil Mehta, University of Kentucky; SOUTH-CENTRAL SECTION Bruce Rohrbaugh, University of Tennessee; SEDIMENTARY GEOLOGY The South-Central Section has not yet Leanne Spurgeon, West Virginia Uni- DIVISION determined the 1998 award recipients. The versity; Doug Tinkham, University of The Sedimentary Geology Division results will be published in the November Alabama; and Cheryl Waters, University presented its 1998 award for an outstand- issue of GSA Today. of North Carolina. ■ ing student research proposal to Jennifer M. Elick, University of Tennessee, for her project “Paleopedology and Sedimentol- ogy of the Cap-aux-Os and Fort Prevel ® Members of the Battery Point Formation his handy tool provides 115 genuine Munsell Color Standards (Early Devonian, Emsian), Gaspé Bay, (chips), each with its correct ISCS-NBS* color name and unique Quebec, Canada.” Munsell alpha-numeric notation. TFind any rock color on the chart and the Munsell notation STRUCTURAL GEOLOGY AND underneath gives you the value (degree of lightness), the hue (color), TECTONICS DIVISION and the chroma (degree of saturation) for that color. Use these The Structural Geology and Tectonics notations in your writing to communicate exact color information Division presented its 12th annual awards for outstanding student research this year that anyone can understand. to Delores M. Robinson, University of Ari- Designed primarily for field use, the chart nevertheless indicates zona, for “Investigating the Origin of the the range of rock colors for all purposes and is accurate for wet or dry specimens. Chiefly Chainpur Thrust through Structural and used to describe medium- to fine-grained rocks, it is also helpful in working with coarse- Petrogenetic Examinations, Western Nepal grained rocks. Himalaya”; and Kevin Mahan, University of Utah, for “Emplacement Mechanisms This version was manufactured for GSA by the Munsell Corporation to exacting Munsell for a Granite Intrusion: The McDoogle standards for color accuracy. Printed on Munsell’s special color-neutral stock, the chart Pluton, Central Sierra Nevada, California.” includes a viewing mask. *Inter Society Color Council-National Bureau of Standards. RCC001, 16 p., $29.00 Section Research Grants 1-800-472-1988 www.geosociety.org Four of the six GSA regional sections award grants for research to students GSA Publication Sales ¥ 3300 Penrose Place attending colleges and universities within P.O. Box 9140 ¥ Boulder, CO 80301-9140 ¥ 303-447-2020 ¥ fax 303-447-1133

GSA TODAY, October 1998 31 VOLUME 26 October BULLETIN and NO. 10 P. 865Ð960 GEOLOGY Contents OCTOBER 1998 867 Distributed shear, rotation, and partitioned strain along the San Andreas fault, central California Donald D. Miller The Geological Society of America 871 Tectonic significance of 24 Ma crustal melting in the eastern Hindu Kush, Pakistan P. R. Hildebrand, S. R. Noble, M. P. Searle, R. R. Parrish, Shakirullah 875 High-δ13C Paleoproterozoic carbonates from the Transvaal Super- Volume 110, Number 10, October 1998 group, South Africa I. S. Buick, R. Uken, R. L. Gibson, T. Wallmach 1231Ð1241 1995 eruptions of Cerro Negro volcano, Nicaragua, and risk 879 Multidirected ripple marks rising from biological and sedimentologi- assessment for future eruptions cal processes in modern lower supratidal deposits (Mellum Island, Brittain E. Hill, Charles B. Connor, Mark S. Jarzemba, southern North Sea) Peter C. La Femina, M. Navarro, and W. Strauch Nora Noffke 883 Continental extensional setting for the Archean Belingwe Greenstone 1242Ð1257 Layer-bound compaction faults in fine-grained sediments Belt, Zimbabwe J. A. Cartwright and D. N. Dewhurst M. A. Hunter, M. J. Bickle, E. G. Nisbet, A. Martin, H. J. Chapman 887 Thermochronological evidence for the movement of the Ailao 1258Ð1267 Block size distributions on silicic lava flow surfaces: Shan–Red River shear zone: A perspective from Vietnam Implications for emplacement conditions Pei-Ling Wang, Ching-Hua Lo, Tung-Yi Lee, Sun-Lin Chung, Ching-Ying Lan, Steven W. Anderson, Ellen R. Stofan, Jeffrey J. Plaut, Nguyen Trong Yem and David A. Crown 891 Nd isotopic composition of cratonic rocks in the southern Death Valley region: Evidence for a substantial Archean source component Coastal and Baja California paleomagnetism reconsidered in Mojavia 1268Ð1280 O. Tapani Rämö, James P. Calzia William R. Dickinson and Robert F. Butler 895 Quantification of the effect of plants on : Studies in Iceland 1281Ð1303 Laurentian magmatism of the southern Appalachian Blue Ridge: Katherine L. Moulton, Robert A. Berner Post-Iapetan rifting 899 Siliceous sponge spicules in the Early Cambrian chert-phoshorite James F. Tull, Stephen A. Kish, Mark S. Groszos, member of the Lower Tal Formation, Krol belt, Lesser Himalaya and Steven K. Campbell Aninda Mazumdar, D. M. Banerjee 903 High-resolution records of soil humification and paleoclimate change 1304Ð1317 Mesozoic sequence of Fuerteventura (Canary Islands): Witness of from variations in speleothem luminescence excitation and emission Early Jurassic sea-floor spreading in the central Atlantic wavelengths Christian Steiner, Alice Hobson, Philippe Favre, Andy Baker, Dominique Genty, Peter L. Smart Gérard M. Stampfli, and Jean Hernandez 907 Age and deformation of Early Proterozoic quartzites in the southern Lake Superior region: Implications for extent of foreland deformation Shoreline processes and the age of the Lake Lahontan highstand in the during final assembly of Laurentia 1318Ð1332 Daniel Holm, David Schneider, Christopher D. Coath Jessup embayment, Nevada Kenneth D. Adams and Steven G. Wesnousky 911 Effects of variations in fault slip rate on sequence stratigraphy in fan deltas: Insights from numerical modeling Stuart Hardy, Rob L. Gawthorpe 1333Ð1353 Distinguishing the roles of autogenic versus allogenic processes in cyclic sedimentation, Cisco Group (Virgilian and Wolfcampian), 915 Effect of microcracking on pressure-solution strain rate: The Gratz north-central Texas grain boundary model Wan Yang, Michelle A. Kominz, and R. P. Major Bas den Brok 919 Why Baltic Shield zircons yield late Paleozoic, lower-intercept ages on 1354Ð1355 Guidelines for Authors of Papers Submitted to the U-Pb concordia Geological Society of America Bulletin. Part 2 Sven Å. Larson, Eva-Lena Tullborg 923 Earliest magmatism in Ethiopia: Evidence for two mantle plumes in Submitting Cover Art to Bulletin one flood basalt province 1356 Rhiannon George, Nick Rogers, Simon Kelley 927 Extensional versus compressional settings for metamorphism: Garnet chronometry and pressure-temperature-time histories in the Moine Supergroup, northwest Scotland MOVING? Don’t risk missing a single issue of D. Vance, R. A. Strachan, K. A. Jones GSA Today or other publications! If you’re planning on 931 Modeling and characterization of fracture patterns in the changing your address, simply write in your new Vatnajökull glacier Anders Malthe-Sørenssen, Thomas Walmann, Bjørn Jamtveit, Jens Feder, address and mail this coupon along with your sub- Torstein Jøssang scription mailing label (use label from this newsletter) 935 Ion microprobe study of marble from Naxos, Greece: Grain-scale fluid to: GSA, Membership Services, P.O. Box 9140, Boul- pathways and stable equilibration during metamorphism der, CO 80301-9140. Or you may call with your change of address Stephanie Lewis, Marian Holness, Colin Graham information— (303) 447-2020 or 1-800-472-1988 or e-mail us at mem- 939 Contemporaneity of component units of the lowstand systems tract: [email protected]. An example from the Pleistocene Kazusa forearc basin, Boso (Report address changes at least six weeks in advance. If possible, give us your Peninsula, Japan Makoto Ito change of address by the tenth of the month.) 943 Eight centuries of periodic volcanism at the center of the Iceland PLEASE PRINT hotspot revealed by glacier tephrostratigraphy Gudrún Larsen, Magnús T. Gudmundsson, Helgi Björnsson Name ______947 Alleged mosasaur bite marks on Late Cretaceous ammonites are limpet (patellogastropod) home scars Address ______Tomoki Kase, Paul A. Johnston, Adolf Seilacher, Japeth B. Boyce 951 Earliest known Carboniferous shallow-water reefs, Gudman Formation ______(Tn1b), Queensland, Australia: Implications for Late Devonian reef collapse and recovery City ______G. E. Webb Forum State/ZIP/Country ______955 Diachrony of mammalian appearance events: Implications for biochronology Phone (business hours) ______Comment: Donald R. Prothero; Comment: Stephen L. Walsh; Reply: John Alroy 958 Did the Indo-Asian collision alone create the Tibetan plateau? I do not wish to have this number in the Membership Directory. Comment: K. J. Zhang, Y. J. Zhang, B. D. Xia 959 Estimating Final Size of Geology Manuscripts Change my voting section to: ______960 Guidelines for Geology Authors Geology Editorial Policy

32 GSA TODAY, October 1998 GSA offers you more journal choices INCLUDING APPLIED SCIENCES

MONTHLY MONTHLY QUARTERLY RESEARCH TOPICAL & APPLIED CONCISE SCIENCES

Environmental & Engineering Geoscience* A joint, quarterly publication of the Association of Engineering GSA Bulletin Geologists (AEG) and the An authoritative science journal Geology Geological Society of covering active research areas Hydrogeology Journal* Undoubtedly the most America (GSA). Includes in the earth sciences. Publishes Quarterly journal of the popular and widely read refereed articles on applied 8–12 refereed research articles International Association of general geological journal in topics in the environmental each month. The Bulletin’s 100+ Hydrogeologists (IAH), print, each month bringing and hydrological year record of regularly available to GSA members you 20 or more refereed geosciences, and special publishing important research at the IAH-member price. articles that are concise (4 features like the Geology of developments reflects the Features peer-reviewed pages), current, and thought Cities series; technical notes evolution of the modern papers in theoretical and provoking, covering a wide on current topics; a geological sciences. Articles applied hydrogeology. range of geological subjects, comment and reply forum; span terrestrial to marine and Published in English, with including new investigations. memorials to geologists of modern to ancient environ- abstracts also in French and The Geology Forum provides note; book reviews; and ments, integrating chemical, Spanish. Describes world- an arena for stimulating biographies on well-known physical, and biological wide progress in the science reader comments and geologists in the applied information to unravel Earth’s and provides an affordable responses on the articles. fields. Features new theory, processes, history, and future. and widely accessible forum About 1150 pages annually. applications, and case The Discussion and Reply for scientists, researchers, Profusely illustrated, includes histories illustrating the section provides for lively engineers, and color and occasional large dynamics of the fast- debate on current topics. About practitioners. Papers inserts. The full-color covers growing, environmental and 1700 pages annually. integrate subsurface are exceptional geological applied disciplines. Co- Illustrations are profuse and hydrology and geology with studies in themselves. edited by AEG and GSA. include full-color covers and supporting disciplines. occasional large-format inserts. *Members of IAH receive Hydrogeology Journal as part of their IAH dues and should not order from GSA. Members of AEG receive Environmental & Engineering Geo- science as part of their AEG dues and should not order from GSA.

GSA Today GSA’s monthly news magazine. Features late-breaking, hot-topic science articles, a forum for discussion of current topics, legislative updates, news about the Society and the earth-science community, job opportunities, meeting announcements, and more! Abstracts with Programs Published in conjunction with GSA’s regular scientific meetings. Contains abstracts of all papers to be presented GSA at the related meeting plus programs for that meeting. Essential guides for meeting attendees; a valuable JOURNALS ON summary of current science. GSA Journals on the World Wide Web Each month the PUBLICATIONS section contains the COMPACT DISC tables of contents and abstracts of each article Each edition includes full content of GSA Bul- published in GSA Bulletin and Geology. Complete letin, Geology and GSA Today, plus a Retro- issues of GSA Today are posted for downloading and spective Index from 1972 forward. Does viewing. Access the GSA home page using the not include AEG or IAH journals. For Universal Resource Locator: demo disc, contact GSA Marketing http://www.geosociety.org PHOTO BY Dept. 1-800-472-1988 MARK KOESTEL Abstracts from Environmental and Engineering Geoscience See p. 29 for details are listed at: http://128.194.195.51/journal.html 01-98-10-T Only new or changed information is published in GSA Today. CALENDAR A complete listing can be found in the Calendar section on the Internet: http://www.geosociety.org.

1999 Penrose Conferences 1998 Meetings 931 312378, [email protected], http://www.geologie.de. January October January 18–24, Strike-slip to Subduction Tran- October 7–10, American Association of March 14–17, Symposium on the Application sitions on Plate Boundaries: Tectonic Set- Petroleum Geologists Eastern Section of Geophysics to Engineering and Environ- ting, Plate Kinematics, and Seismic Hazards, Meeting, Columbus, Ohio. Information: mental Problems, Oakland, California. Informa- Puerto Plata, Dominican Republic. Information: Larry Wickstrom, Ohio Geological Survey, tion: SAGEEP, 7632 E. Costilla Ave., Englewood, Paul Mann, Institute of Geophysics, University of (614) 265-6598, [email protected], CO 80112, (303) 771-2000, fax 303-843-6232, Texas, Bldg. 600, 4412 Spicewood Springs Road, http://www.dnr.state.oh.us/odnr/geo_survey/ http://www.sageep.com. Austin, TX 78759-8500, (512) 471-0452, fax 512- aapg98.htm. April 471-8844, [email protected]. April 16–19, National Fossil Exposition XXI, March 1999 Meetings Western Illinois University, Macomb, Illinois. March 25–31, Mid-Cretaceous to Recent Plate Information: Allyn Adams, 612 West 51st Street, January Davenport, IA 52806 (319) 391-5443 or Karl Boundary Processes in the Southwest January 10–15, American Meteorological Pacific, Arthur’s Pass, New Zealand. Information: Stuekerjuergen, 1503 265th Ave., West Point, Society 79th Annual Meeting & Exhibition, IA 52656 (319) 837-6690. Suzanne L. Baldwin, Dept. of Geosciences, Dallas, Texas. Information: AMS, 45 Beacon Street, , Tucson, AZ 85721, (520) Boston, MA 02108, (617) 227-2425, fax 617- June 621-9688, fax 520-621-2672, baldwin@geo. 742-8718, [email protected]. June 5–9, International Workshop for a Cli- arizona.edu. matic, Biotic, and Tectonic Coring Transect February June of Triassic-Jurassic Pangea, Wolfville, Nova February13–18, Glacial-Interglacial Scotia, Canada. Information: Paul Olsen, Lamont June 21–27, Terrane Accretion along the Changes in Four Dimensions: Quaternary Western Cordilleran Margin: Constraints Doherty Earth Observatory, Rt. 9W, Palisades, NY Sea Levels, & Crustal 10964, (914) 365-8491, fax 914-365-2312, on Timing and Displacement, Winthrop, Dynamics, Algarve, Portugal. Information: Washington. Information: J. Brian Mahoney, Dept. [email protected], http://www.ldeo. Josip Hendekovic, European Science Foundation, columbia.edu. of Geology, University of Wisconsin, Eau Claire, WI 1 quai Lezay-Marnesia, 67080 Strasbourg Cedex, 54702-4004, (715) 836-4952, fax 715-836-2380, France, +33 3 88 76 71, fax +33 3 88 36 69 87, June 26–July 1, Clay Minerals Society 36th [email protected]. [email protected], http://www.esf.org/euresco. Annual Meeting, Purdue University, West August Lafayette, Indiana. Information: Patricia Jo Eberl, February 21–26, GEOSAS-III: 1999, Third South Clay Minerals Society, P.O. Box 4416, Boulder, August 17–22, The Marine Eocene-Oligocene Asia Geological Congress, Lahore, Pakistan. Transition, Olympia, Washington. Information: CO 80306, (303) 444-6405, fax 303-444-2260, Information: F. A. Shams, Institute of Geology, [email protected]. Donald R. Prothero, Dept. of Geology, Occidental Punjab University, Lahore 54590, Pakistan, (92-42) College, 1600 Campus Road, Los Angeles, CA 586-6809, fax 92-42-631-2233, geology1@ November 90041, (213) 259-2557, fax 213-259-2704, paknet1.ptc.pk. November 7–10, Fourth USA/CIS Joint Confer- [email protected]. ence on Environmental Hydrology and March Hydrogeology, San Francisco, California. Infor- November March 24–26, 14th Himalaya-Karakoram- November 21–27, Volcanic Rifted Margins, mation: American Institute of Hydrology, 2499 Rice Tibet Workshop, Kloster Ettal, Germany. Infor- Street, Suite 135, St. Paul, MN 55113-3724, (651) Sana`a, Yemen. Information: Martin Menzies, mation: Lothar Ratschbacher, Institut für Geologie, Dept. of Geology, Royal Holloway, University 484-8169, fax 651-484-8357, [email protected], Universität Würzburg, Pleicherwall 1, D-97070, http://www.aihydro.org. (Abstracts deadline: Febru- of London, Egham Hill, Egham, Surrey TW 20 OEX, Würzburg, Germany, +49 931 312580, fax +49 United Kingdom, 44-1784-443105, fax 44- ary 28, 1999.) 1784-471780, [email protected].

Send notices of meetings of general interest, in format above, to Editor, GSA Today, P.O. Box 9140, GSA SECTION MEETINGS — 1999 Boulder, CO 80301, E-mail: [email protected]. SOUTH-CENTRAL SECTION ROCKY MOUNTAIN SECTION March 15–16, 1999, Lubbock, Texas. April 8–10, 1999, Pocatello, Idaho. Submit Submit completed abstracts to completed abstracts to Paul Link, Dept. of Visit the James Barrick, Dept. of Geosciences, Geology, Idaho State University, 785 South Texas Tech, Lubbock, TX 79409-1053, 8th Ave., Pocatello, ID 83209-8072, (208) (806) 742-3107, [email protected]. 236-3846, [email protected]. Abstract dead- G SA Abstract deadline: December 15, 1998. line: December 29, 1998. NORTHEASTERN SECTION NORTH-CENTRAL SECTION B O O K S TO R E March 22–24, 1999, Providence, April 22–23, 1999, Champaign-Urbana, Rhode Island. Submit completed abstracts Illinois. Submit completed abstracts to at all the to Anne I. Veeger, Dept. of Geology, C. Pius Weibel, Illinois State Geological University of Rhode Island, Green Hall, Survey, 615 E. Peabody Dr., Champaign, Kingston, RI 02881, (401) 874-2187, IL 61820-6964, (217) 333-5108, 1999 [email protected]. Abstract deadline: [email protected]. Abstract deadline: GSA Meetings December 8, 1998. January 11, 1999. SOUTHEASTERN SECTION CORDILLERAN SECTION March 25–26, 1999, Athens, Georgia. June 2–4, 1999, Berkeley, California. Submit completed abstracts to Michael F. Submit completed abstracts to George Roden, Dept. of Geology, University Brimhall, Dept. of Geology & Geophysics, of Georgia, Athens, GA 30602-2501, University of California, Berkeley, CA (706) 542-2416, [email protected]. 94720-4767, (510) 642-5868, brimhall@ edu. Abstract deadline: December 14, 1998. socrates.berkeley.edu. Abstract deadline: February 19, 1999.

34 GSA TODAY, October 1998 Volumes of interest for A S G your library h ! Late Cenozoic Lava Dams in the Western g u Integrated Earth and Grand Canyon ro by W. K. Hamblin, 1994 wh Describes and documents the spectacular interplay t Environmental Evolution of the y of volcanism, fluvial erosion, and tectonic uplift in el a unique area where this interplay can be seen in e iv Southwestern United States three dimensions. s MWR183, 148 p., w/4 pocket-plates, Nu l ISBN 0-8137-1183-5, $63.75; Member price c x The Clarence A. Hall, Jr., Volume $51.00 e San Andreas Fault System; Displacement, Palinspastic Reconstruction, and Geologic Evolution The Geological Society of America is proud to edited by R. E. Powell, R. J. Weldon II, and J. C. Matti, introduce a new publication, Integrated Earth and Environmental Evolution 1992 Presents the findings of recent geologic investiga- of the Southwestern United States, co-published with Bellwether Publishing, tions along the San Andreas and related faults. Ltd, devoted to the integrated study of earth and environmental sciences of MWR178, 352 p., indexed, w/9 plates on 6 sheets in matching slipcase, ISBN 0-8137-1178- the southwestern United States. 9, $57.50, Member price $46.00 The Nature and Origin of Cordilleran SERIOUS PROFESSIONAL The will appreciate the breadth of the book. Magmatism Volume topics span the geological spectrum from Archean evolution of the edited by J. L. Anderson, 1990 MWR174, 425 p., indexed, ISBN 0-8137-1174-6, crust-mantle system, to Neogene paleogeography and extensional faulting $40.00, Member price $32.00 of the southewestern continental Kinematics of Transrotational Tectonism in margin, and from petrotectonic Dedicated to Clarence A. Hall, Jr., who the California Transverse Ranges and Its Contribution to Cumulative Slip Along the evolution of the Sierra Nevada, the transformed the White Mountain San Andreas Transform Fault System central Klamaths and the Basin and Research Station in California to a by W. R. Dickinson, 1996 nationally prominent research facility and served as Kinematic analysis of rotating crustal panels within Range, to a Devonian impact the transform belt shows that Neogene the station’s director for 15 years while concurrently in the Great Basin, as well as the transrotation has made a major contribution to net serving as the department chair, dean, and professor transform slip between the Pacific plate and the Cenozoic–Holocene climate interior of the continent. at the University of California, Los Angeles. Hall’s SPE305, 50 p., softcover, ISBN 0-8137-2305-1, development throughout the region. seminal contributions include recognition and $26.50, Member price $21.20 Noted geologists E. M. Moores, C.A. documentation of ~115 km of dextral slip on the San Late Holocene Alluvial Geomorphology of Simeon-Hosgrei fault; demonstration of the offset of the Virgin River in the Zion National Park Nelson, B. C. Burchfiel,T. Atwater, Area, Southwest Utah and W.G. Ernst are among the more Neogene molluscan provinces and paleo-isotherms by R. Hereford, G. C. Jacoby, V. A. S. McCord, 1996 along the San Andreas system; and synthesis of the Special Paper 310 focuses on how variations of than 45 authors who have water and sediment load modify valley geology and invertebrate paleontology of the central morphology. A specific goal is understanding the contributed significant findings to California Coast Ranges and hypothesis of the timing and causes of arroyo cutting. the volume. existence of the southern California allochthon. SPE310, 46 p., softcover, ISBN 0-8137-2310-8, $25.00, Member price $20.00 Liberally illustrated, this new 500 An 800,000-Year Paleoclimatic Record from page, softcover volume incorporates plate tectonics, climatic-ecological Core OL-92, Owens Lake, Southeast California aspects of the Southwest, and magmatism of the area. Integrated Earth edited by G. I. Smith, J. L. Bischoff, 1997 and Environmental Evolution of the Southwestern United States is a The 323-m-long core records lake fluctuations since 800 ka. This volume describes how they are valuable resource for geologists and scientists who need the latest revealed by variations in the CO3 and organic-C percentages, pore-water isotopic content, composi- information concerning the southwestern United States. tion of clay-sized materials, magnetic susceptibility, This publication is available exclusively through GSA and its agents. and fossils (diatoms, ostracodes, mollusks, fish, and pollen). IBS001, 500 pg., softcover, 7" x 10" format, ISBN 0-9665869-0-5 SPE317, 172 p., softcover, indexed, ISBN 0-8137-2317-5, $60.00, Member price $89.95, Member price $71.96 $48.00 Available from GSA contact GSA directly. ORDER NOW! (some volumes in limited supply) TOLL-FREE800-472-1988 FAX303-447-1133 ORDER NOW! WEBwww.geosociety.org GSA Publication Sales, P.O. Box 9140 800-472-1988 Boulder, CO 80301 fax 303-447-1133

01-98-10-T

GSA TODAY, October 1998 35 1999 Denver, Colorado Crossing Divides

CALL FOR FIELD TRIP PROPOSALS We are interested in proposals for single-day and multi-day field trips beginning or ending in Denver, and dealing with all aspects of the geosciences. Please contact the Field Trip Co-Chairs: Alan Lester Bruce Trudgill GSA Department of Geological Sciences Department of Geological Sciences Annual Meeting University of Colorado University of Colorado and Exposition Campus Box 399 Campus Box 399 Boulder, CO 80309-0399 Boulder, CO 80309-0399 October 25–28 (303) 492-6172 (303) 492-2126 Colorado Convention Center fax 303-492-2606 fax 303-492-2606 [email protected] [email protected]

GENERAL CO-CHAIRS CALL FOR SHORT COURSE PROPOSALS Mary J. Kraus (303) 492-7251, fax 303-492-2606, Due December 1, 1998 [email protected] The GSA Committee on Continuing Education invites those interested in proposing a David Budd GSA-sponsored or cosponsored course or workshop to contact GSA headquarters for (303) 492-3988, fax 303-492-2606, proposal guidelines. Courses may be conducted in conjunction with all GSA annual [email protected] or section meetings.We are particularly interested in receiving proposals for the 1999 Both at Dept. of Geosciences, Denver Annual Meeting or the 2000 Reno Annual Meeting. Campus Box 250, University of Colorado, Proposals must be received by December 1, 1998. Selection of courses for 1999 will be Boulder,CO 80309-0250 made by February 1, 1999. For those planning ahead, we will also consider courses for 2000 at that time. TECHNICAL PROGRAM CHAIRS For proposal guidelines or information, contact: Craig Jones Edna Collis, Continuing Education Coordinator, GSA headquarters, (303) 492-6994, fax 303-492-2606, 1-800-472-1988, ext. 134, [email protected] [email protected] G. Lang Farmer DENVER MINI-CALENDAR (303) 492-6534, fax 303-492-2606, 1998 [email protected] November 1 — Theme Proposal Information in November GSA Today. Electronic Both at Dept. of Geosciences, Symposia/Topical Session Proposal Form available on the GSA Campus Box 399, University of Colorado, Web site Boulder,CO 80309-0399 December 1 — Short Course Proposals due to GSA 1999 Due date for Pardee Keynote Symposia January 6 — Symposia and Topical Proposals due to Technical Program Chairs and April 1 — Call for Papers published and distributed topical Session proposals: May 1 — Electronic Abstract Submittal Form avaialble on the GSA Web site January 6, 1999 June 1 — Registration and housing information printed in June GSA Today July 12 — Abstracts Deadline Electronic Proposal Form Available September 17 — Preregistration and Housing Deadline November 1, 1998.

FOR INFORMATION FUTURE GSA MEETINGS ON ANY GSA MEETING CALL THE 2000 Reno, Nevada, November 13–16 GSA MEETINGS DEPARTMENT 2001 Boston, Massachusetts, November 5–8 1-800-472-1988 or • (303) 447-2020, ext. 113 2002 Denver, Colorado, October 28–31 fax 303-447-0648 • [email protected] 2003 Seattle, Washington, November 2–5 Or see GSA’s Web page at http://www.geosociety.org

36 GSA TODAY, October 1998 CLASSIFIED ADVERTISING

Published on the 1st of the month of issue. Ads (or can- GVSU is an Affirmative Action/ADA and Equal Oppor- degree by August 16, 1999, he/she will be appointed for cellations) must reach the GSA Advertising office one tunity Employer. one year as instructor at a reduced salary. The successful month prior. Contact Advertising Department (303) candidate must have demonstrated teaching ability and 447-2020, 1-800-472-1988, fax 303-447-1133, or ASSISTANT PROFESSOR OF the existence of, or potential for, developing an externally E-mail:[email protected]. Please include com- STRUCTURAL GEOLOGY / ACTIVE TECTONICS funded research program of high quality. Areas of plete address, phone number, and E-mail address with all Responsibilities will include advising M.S. and undergrad- research emphasis may include but are not limited to correspondence. uate research, academic-year teaching of the sophomore- paleobiology, biostratigraphy, and global change. Teach- level core introductory field geology course, structural ing duties will include invertebrate paleontology and pale- Per line geology and other courses of the candidate's choosing. oecology, introductory undergraduate geology courses, Per Line for each Preferred candidates will approach structural problems and upper level and graduate courses in the emphasis for addt'l month using both field and analytical methods and bridge current area. Applicants should submit a curriculum vitae, a state- Classification 1st month (same ad) departmental interests in crustal studies/petrology and ment of teaching and research interests, and the names Situations Wanted $1.75 $1.40 surface processes. Ph.D. required. Specific expertise and addresses of at least three referees to: Dr. James R. Positions Open $6.50 $5.50 could include: quantitative analysis, geophysics, and Staub, Search Committee Chair, Department of Geology, Consultants $6.50 $5.50 geochronology. A dedication to integrating high quality Mail Code 4324, Southern Illinois University, Carbondale, Services & Supplies $6.50 $5.50 research and teaching at the undergraduate and Master's IL 62901-4324; fax 618-453-7393; e-mail: jstaub@ Opportunities for Students levels is important. Apply with CV and names of 3 refer- geo.siu.edu. Applications will be accepted until December first 25 lines $0.00 $2.35 ences by December 15, 1998 to: Chair, Search Commit- 7, 1998 or until the position is filled. Information about the additional lines $1.35 $2.35 tee, Department of Geology, University of Vermont, Department and its programs can be found at: http:// Burlington, VT 05405. www.science.siu.edu/geology/index.html. Southern Illinois University is an Equal Opportunity, Affirmative Action GLOBAL SEDIMENTARY SYSTEMS Employer. Situations Wanted UNIVERSITY OF CALIFORNIA, RIVERSIDE The Department of Earth Sciences, University of Califor- HYDROGEOLOGY / ENVIRONMENTAL STUDIES GEOSCIENTIST, Asset Builder/Manager, 20 years experi- nia, Riverside, invites applications for tenure-track position UNIVERSITY OF THE PACIFIC ence, US and Abroad, On-shore and Off-Shore, Respond at Assistant Professor rank. The applicant must hold a The Department of Geology & Geography at the Univer- (318) 981-4678! Ph.D. and have a strong commitment to excellence in sity of the Pacific invites applications for a tenure-track both research and teaching. We seek an individual with position at the rank of Assistant Professor in the area of primary research interests in marine sedimentary rocks, hydrogeology and environmental studies. A Ph.D. is Positions Open linking global paleoenvironmental and ecological change required at the time of appointment, August, 1999. This through study of the stratigraphic record. A strong field or position represents an expansion of the geology curricu- POSTDOCTORAL POSITION IN core-based research orientation is desirable. The suc- lum as a result of the retirement of a geography professor. SILICON STABLE ISOTOPE BIOGEOCHEMISTRY cessful candidate will be expected to foster interaction Teaching responsibilities will include upper division UNIVERSITY OF CALIFORNIA, SANTA BARBARA with ongoing research in paleobiology, geomorphology, courses in hydrogeology as well as general education, We seek someone to help us understand why Si dissolved Quaternary geology, stratigraphy, biogeography, and geo- introductory courses in one or more of the following: phys- in the is enriched in Si-30 relative to the Si in chemistry. Teaching responsibilities will include under- ical geology, environmental science, oceanography, phys- igneous and metamorphic rocks; a question that is funda- graduate offerings in sedimentology and stratigraphy as ical geography, meteorology. mental to progress in quantifying the biogeochemical well as graduate courses in the area of specialty. We seek an individual who has the potential to be an cycle of Si. The position entails analysis of isotopic frac- Information about Earth Sciences at UCR is available outstanding teacher, dedicated to the highest quality inter- tionations occurring during the processes (weathering, on the web at http://cnas.ucr.edu/~earth/es.html. Applica- action with undergraduate students in classroom, labora- clay and phytolith formation, etc.) that transform Si in tions, including a vitae, statement of research and teach- tory, and field settings. The individual must also have a rocks into dissolved Si that washes into the ocean. The ing interests, and full contact information of three referees demonstrated ability to pursue an active research program work involves application of a technical breakthrough in should be sent by November 30, 1998, to: Dr. Mary that can involve undergraduates. It is expected that the measuring in dissolved and particulate Si (Anal. Droser, Chair, Global Sedimentary Systems Search, successful candidate will take an active role in an expand- Chem. 68, 3746-3750, 1996). We seek an individual with Department of Earth Sciences, University of California, ing environmental studies program that involves the background in , soils or clay mineralogy, Riverside, California, 92521. E-mail contact: departments of geology & geography, biology, philosophy, preferably with experience with stable isotopes, and an [email protected]. The University of California is an history, and economics. interdisciplinary interest. Send resume, including the equal opportunity employer. Interested individuals should send a letter of applica- names of 3 references, to Oliver Chadwick, Geography tion summarizing teaching and research interests and Dept., University of California, Santa Barbara, CA 93106. ASSISTANT PROFESSOR GEOLOGY teaching philosophy, a curriculum vitae, and arrange for E-mail queries about the position can be sent to Chadwick UNIVERSITY OF RHODE ISLAND three letters of reference to be sent to: Lydia K. Fox, ([email protected]) or to the other 2 principals on the The Geology Department at the University of Rhode Chair, Department of Geology & Geography, University of project, Mic DeNiro ([email protected]) or Island invites applications for a new tenure-track faculty the Pacific, 3601 Pacific Ave., Stockton, CA 95211. Mark Brzezinski ([email protected]). Position position beginning in the Fall of 1999. This position, within Review of applications will begin immediately and con- open until filled. Preliminary interviews will be conducted the newly formed College of the Environment and Life Sci- tinue until an appointment is made. The University of the with qualified individuals at the Geological Society of ences, reflects the commitment to expanding its programs Pacific is an equal opportunity/affirmative action employer America meeting in Toronto in October, 1998 or by phone in the environmental sciences. We seek applicants whose and welcomes applications from members of underrepre- for those not attending GSA. Initial appointment is for 1 primary interest is in the field of organic contaminant sented groups. year, with additional year (funding in place) contingent on hydrogeology. A Ph.D. in hydrology, geology, or within the satisfactory progress. An EO/AA employer. environmental sciences is required at the time of appoint- FACULTY POSITIONS ment. The following are also required: potential for devel- STRUCTURAL GEOLOGY AND GEOPHYSICS GRAND VALLEY STATE UNIVERSITY oping an externally funded and nationally recognized STATE UNIVERSITY OF NEW YORK AT BUFFALO ENVIRONMENTAL GEOLOGIST research program in hydrogeology; an undergraduate The Department of Geology invites applications for two Tenure-track assistant professor of geology position degree (or equivalent) in geology; training and research tenure-track faculty positions, structural geology and geo- beginning fall 1999, contingent upon funding. Ph.D. experience in hydrogeology, organic chemistry, and con- physics, starting in September 1999 at the Assistant Pro- required. Expertise desired in either ground or surface taminant transport; the ability to teach an upper-division fessor level The successful candidates will demonstrate a water processes. Preference will be given to candidates course in environmental organic chemistry and a gradu- potential for research and teaching, which will both com- with expertise in GIS, computer applications (e.g. aquifer ate-level course in solute/contaminant transport; a strong plement and integrate with our existing programs in vol- mapping or modeling), hydrologic field methods, and/or commitment to quality instruction. The following are pre- canology and environmental geology. Existing research global systems and cycles. Industry experience and a ferred: post-doctorate experience; a record of peer- includes studies of active volcanoes, analysis of neotec- working knowledge of environmental regulations are reviewed publications and research funding; teaching tonics, characterization of fractured rock systems, remedi- desired. A strong commitment to teaching and doing experience. For information about the Department of ation of ground water, and applications of basin analysis. research with undergraduate students is essential. The Geology, refer to our web site: http://www.uri.edu/cels/gel. The geology home page gives more details of our depart- successful candidate will teach geohydrology, environ- Interested candidates should submit a curriculum vitae, mental research and teaching program (http://wings.buf- mental geology, and introductory geology courses and will transcripts, a statement of research and teaching interests falo.edu/academic/department/geology/). Teaching duties lead in the development of an environmental emphasis in and the names of four referees by 10/30/98 or until posi- for both positions will involve undergraduate and graduate the geology major and new courses. tion is filled to: Anne Veeger, Search Committee Chair level courses in their respective specialties. The salary The department currently is comprised of seven faculty (Log # 021336). University of Rhode Island, P.O. Box G, and the initial University contribution to the candidates/ members, a lab supervisor, and 70+ majors, divided Kingston, RI 02881. The University of Rhode Island is an research equipment will be very attractive. Successful between geology and earth science or group science edu- AA/EEO employer and is committed to increasing the candidates must have the Ph.D. degree as of the date of cation. Of the geology majors, approximately half go to diversity of its faculty, staff and students. Persons from appointment. Apply with a statement of teaching and graduate school, and half obtain positions in the environ- under-represented groups are encouraged to apply. research goals and a curriculum vitae, including published mental field. research, grant support, and names of at least three refer- Send letter of application, a vitae, a succinct statement SOUTHERN ILLINOIS UNIVERSITY, CARBONDALE ences to: Chair, Search Committee, Department of Geol- of teaching philosophy, and the names, addresses, e-mail The Department of Geology invites applications for a ogy, State University of New York at Buffalo, 876 Natural addresses, and phone numbers of three references to: tenure-track position in paleobiology at the assistant pro- Sciences Complex, Buffalo, NY 14260-3050. We will Patricia Videtich, Chair, Department of Geology, Grand fessor level, starting August 16, 1999. Applicants must begin evaluating applicants on December 20, 1998. Valley State University, Allendale, Michigan 49401. Appli- hold a Ph.D. or show that they will complete all degree The State University of New York is an Equal Opportu- cations must be postmarked by November 23. requirements by August 16, 1999. If the successful candi- nity/Affirmative Action Employer and encourages applica- date has not completed all requirements for the Ph.D. tions from women and minorities.

GSA TODAY, October 1998 37 CLASSIFIED ADVERTISING continued from p. 37

CALIFORNIA DEPARTMENT OF CONSERVATION Review of aps begins 11/98 with decision soon there- QUATERNARY GEOLOGIST SUPERVISING GEOLOGIST after. Submit c.v.; letter describing research interests, CALIFORNIA STATE UNIVERSITY, FULLERTON The California Department of Conservation, Division of grants and contracts experience, teaching record; and The Department of Geological Sciences at California Mines and Geology, invites applications for a Supervising contact information on 4 references to: Recruitment Ofc., State University, Fullerton, invites applications for a Geologist position in Sacramento, California. The Division DRI, 7010 Dandini Blvd., Reno, NV 89512. Refer to #P30- tenure-track position starting August 1999. Applicants is responsible for a broad range of practical applications of 015 in all correspondence. DRI offers a competitive salary should have the following credentials and capabilities (1) geology, especially geologic and earthquake hazards. and excellent benefits. For details, visit us at A Ph.D. in geology; (2) An interest in achieving excellence The Division is seeking a registered geologist or geo- http://www.dri.edu. in teaching; (3) Expertise in: surficial processes, Quater- physicist certified by the California Board of Geologists nary stratigraphy and sedimentation, paleoclimatology, and Geophysicists. The candidate must possess strong SEDIMENTOLOGIST and/or tectonic geomorphology; we are most interested in marketing and information dissemination skills and have UNIVERSITY OF ILLINOIS, CHICAGO a person expert in non-glacial Quaternary geology; and experience in administering outreach programs. The posi- The Department of Earth and Environmental Sciences, (4) Strong quantitative and computer skills with a field- tion will be responsible for supervising the Division's local University of Illinois at Chicago, seeks a process-oriented based research emphasis. government outreach program, the Library and Publica- sedimentologist for an Assistant Professor, tenure-track Teaching responsibilities will include physical geology, tions Unit, and the Los Angeles and San Francisco appointment, starting Fall, 1999. We are interested in can- field geology, and courses in the applicant's area of exper- regional offices, including their libraries. The position will didates who will develop a strong research program. The tise. The ability to teach remote sensing/GIS, oceanogra- be responsible for ensuring technical technical quality of appointee is expected to teach at the undergraduate and phy, or meteorology is a plus. Before applying, see the full publications, maps, and surveys and inventories. The graduate levels. A Ph.D. is required. Applicants should text of this announcement at http://geology.fullerton.edu/ position will supervise a staff of 20 and manage a budget send a resume, statements outlining research and teach- geology/. of approximately $2 million. ing interests, and names of at least four references, to: To apply, please send the following: (1) A detailed cur- Responsibilities include supervising the Division's out- Steven L. Forman, Sedimentology Search Chair, Univer- riculum vitae; (2) A letter telling us about yourself and reach program. The position will also supervise the con- sity of Illinois at Chicago, Department of Earth and Envi- detailing how you meet the qualifications outlined above; version of analog products to digital formats and assist in ronmental Sciences, 845 W. Taylor Street, M/C 185, (3) A statement about teaching that includes a discussion the development of our internet presence. Chicago, IL 60607-7059. For more information about the of relevant course work and/or experience in preparation The position will direct the production and distribution Department, see our web page: www.uic.edu/depts/geos/. for teaching, a list of courses you would feel comfortable of California Geology, overseeing editing, graphic layout, For fullest consideration, submit by October 15, 1998, or teaching, and a statement of your teaching philosophy; (4) etc., and will have frequent contact with authors and pub- until the position is filled. UIC is an affirmative action/equal A statement of your future research plans and goals; and lic. The position will supervise the Division's two regional opportunity employer. (5) The names, addresses, phone numbers, and e-mail offices which are responsible for information dissemina- addresses of at least three references familiar with your tion to the public. MINERALOGY/PETROLOGY DENISON UNIVERSITY teaching and research potential. The salary range for this position is ($4484-$5901 The Department of Geology and Geography invites appli- Send application to: Dr. Brady Rhodes, Chair, Search monthly). Please submit a Standard State Application cations for a tenure-track appointment at the Assistant Committee, Dept. of Geological Sci., CSUF, P.O. Box (form 678) / Resume to: Department of Conservation/Divi- Professor level, to begin in the Fall semester of 1999; a 6850, Fullerton, CA 92834-6850. Applications will be sion of Mines and Geology, Attention: Eric Jarvis, 801 K Ph.D. is required. Primary teaching responsibilities include accepted until November 15, 1998. We will interview Street, MS12-30, Sacramento, CA 95814. Form 678 can mineralogy, petrology, and introductory physical geology. applicants at the GSA Meeting in Toronto, October 26-29, be obtained by contacting the State Personnel Board Job Other subjects which would complement our program 1998. Line at (916) 653-1018 or Eric Jarvis at (916) 445-1401. include economic geology and geochemistry. Our depart- CSU, Fullerton is an Affirmative Action/Equal Opportu- Additional information can be obtained from the internet at ment stresses a balance of classroom, field, and labora- nity Employer. All personnel policies conform to the http://www.spb.ca.gov. tory experiences for our majors, and we seek a colleague requirements of Executive Order 11246, the Americans who will contribute to and collaborate with us on all these with Disabilities Act (ADA) of 1990, Title IX of the Higher ASSISTANT PROFESSOR IN PALEONTOLOGY components of undergraduate geoscience education. Education Amendments of 1972 and other federal regula- The Department of Geology at the University of Iowa Denison is a selective liberal arts college strongly commit- tions regarding nondiscrimination. invites applications for a full-time tenure-track Assistant ted to and supportive of excellence in teaching and active Professorship with a specialty in micropaleontology or faculty research which involves undergraduate students. POSTDOCTORAL OPPORTUNITIES invertebrate paleontology. The appointment will begin in Candidates should submit a letter of application, includ- The U.S. Geological Survey, Geologic Division, is con- August 1999. We seek an outstanding researcher and ing a discussion of their approach to teaching and ducting a national competition to find outstanding scien- teacher whose approach is both quantitative and speci- research in a liberal arts setting, along with a vitae, aca- tists, who have recently completed doctorate-level men-based, and who will work with other faculty to demic transcripts and the names, addresses, e-mail and research, to fill 1-2 year contractual positions as guest improve our strong graduate program in paleontology and phone numbers of three or four references—to Tod A. Research Associates. The objective of the program is to sedimentary geology. In addition to developing an active, Frolking, Chair, Department of Geology and Geography, provide guest Research Associates of unusual promise externally-funded program of research, the successful Denison University, Granville, OH 43023; (740) 587-6217; and ability a formal opportunity to conduct research in an candidate will be expected to teach three courses per aca- [email protected]. Application materials must arrive area of their choice that falls within the realm of Geologic demic year. These will include: (1) an upper-level under- by December 1, 1998, for full consideration, interviews will Division's long-term scientific strategy goals as follows: graduate/ graduate course in biostratigraphy, micropale- be held on campus in late January. Early applications are Conducting geologic hazard assessments for mitigation ontology or invertebrate paleontology, (2) team- strongly encouraged as we hope to meet with candidates planning; providing short-term prediction of geologic dis- participation in Evolution and , a general at the GSA meeting in Toronto. Denison is an affirmative asters and rapidly characterize their effects; advancing the education course, and (3) a graduate seminar in paleon- action/equal opportunity employer. understanding of the Nation's mineral and energy tology. He/she will also be expected to contribute both to resources in a global, geologic, economic, and environ- our Paleontology Repository as well as to new departmen- KANSAS STATE UNIVERSITY mental context; anticipating the environmental impacts of tal initiatives in the environmental sciences and climate ASSISTANT PROFESSOR climate variability; establishing the geologic framework for change. Applicants should have a Ph.D. or be in the final The Department of Geology at Kansas State University ecosystem structure and function; interpreting the links stages of completing the degree. Women and minorities invites applications for a tenure-track Assistant Professor between human health and geologic processes; and are especially encouraged to apply. Applicants should position to start fall, 1999 (pending final approval by the determining the geologic controls on ground water send a complete resume (including a bibliography and University administration). We are looking for a dynamic, resources and hazardous waste isolation. Approximately statement of teaching and research interests) and have at energetic geoscientist with expertise in one of the follow- five (5) Research Associate opportunities are available. least three letters of recommendation sent to: Dr. Holmes ing: tectonics and sedimentation, basin analysis, The principal duty stations will be Reston, VA, Denver, Semken, Search Committee Chair, Department of Geol- petroleum geology, or geophysics. The successful candi- CO, or Menlo Park, CA, depending on the candidate's ogy, University of Iowa, Iowa City, IA 52242-1379 (phone: date will be expected to develop an active, externally chosen research area. Limited opportunities, however, (319) 335-1818; fax: 319-335-1821). The closing date for funded research program, and to teach one introductory- may be available at other field locations. Compensation applications is December 1, 1998, and screening of candi- level course and one upper-level undergraduate or gradu- will be in fixed weekly stipends for the geographic area in dates will begin immediately thereafter and continue until ate-level (master's) course in his or her field of expertise which they work. Approximate stipend amounts are as fol- the position is filled. The University of Iowa is an Affirma- per semester. A field component to teaching and research lows: Reston, VA $820.00; Denver, CO, $855.00; and tive Action-Equal Opportunity Employer. is encouraged, and collaboration with faculty in Geology Menlo Park, CA, $886.00. Awardees are offered a ser- or in other departments at K-State is considered essential. vices contract initially for 12 months. However, a 1-year FLUVIAL GEOMROPHOLOGIST DESERT RESEARCH The Ph.D. in geology is required. K-State is located in the extension may be granted at the discretion of the USGS INSTITUTE (DRI) UNIV. OF NEVADA SYSTEM tall-grass prairie of the Flint Hills in northeastern Kansas. should funds be available. DRI's Quaternary Sciences Center seeks a Fluvial Geo- See http://www.ksu.edu/geology/ for information about the For more information about the program and the appli- morphologist, at Asst., Assoc., or Full Research Prof. Geology Department and Kansas State University, which cation materials required, complete details are provided in level. Ph.D. in geology, physical geography, or related dis- is a land grant university. Applications, including a resume the Postdoctoral Research Associateship Program cipline required. Appointee must support position through and publication list, statements of research and teaching Announcement which is available on the web at grants and contracts, so ability to develop funded interests, copies of relevant publications, and names, http://geology.usgs.gov/postdoc/ or you may call (703) research in one or more of the following is requisite: pale- phone numbers, and addresses (postal and e-mail) for 648-6630 to request a copy. oenvironmental interpretation of fluvial stratigraphy and three referees, should be received by November 9, 1998. The U.S. Geological Survey is an equal opportunity landforms; water-shed landscape dynamics; flood geo- Applications or requests for further information should be employer. Qualified applicants will receive consideration morphology; applied problems of watershed management; directed to Jack Oviatt, Department of Geology, Kansas without regard to race, creed, color, age, sex, national ori- anthropogenic impacts to riverine environments; and cou- State University, Manhattan, KS 66506-3201 gin, political preference, labor-organization affiliation or non- pled field-based/modeling studies relating to geomorphol- ([email protected]). Women and minorities are encouraged affiliation, marital status, or non-disqualifying handicap. ogy and sediment transport. Must collaborate with other to apply. Kansas State University is an equal scientists and participate in/teach grad. education in opportunity/affirmative action employer. hydrologic Sci. at Univ.of NV-Reno.

38 GSA TODAY, October 1998 WASHINGTON STATE UNIVERSITY ogy/paleoceanography, crustal evolution/chemical geody- and research; candidates will be contacted prior to writing NOTICE OF VACANCY TWO FULL-TIME namics, paleomagnetism/, isotope geology, to referees. Address applications to: Chair of Search TENURE TRACK POSITIONS and environmental geology. More information on the Committee, Dept. of Geology, Colby College, 5800 The Department of Geology, Washington State University, department is available at http://web.geology.ufl.edu. Mayflower Hill, Waterville, Maine 04901-8858. The Com- seeks to fill two full-time, tenure-track faculty positions at Qualified candidates should send a letter of interest, mittee will begin evaluating applicants on 1 October, 1998, the Assistant Professor level. The successful candidates including a statement of research and teaching goals, a and continue until the position has been filled. must have an earned doctorate, will demonstrate commit- curriculum vitae, and the names and addresses of three Colby College is an AA/EO employer and especially ment to excellence in research and teaching, and the abil- references by January 15, 1999 to: Dr. Paul Mueller encourages applications from women and minorities. For ity to generate external research funding. Both will be ([email protected]), Department of Geology, Box more information on the College and Department, please expected to teach undergraduate and graduate courses in 112120, University of Florida, Gainesville, FL 32611, (352) visit our Web site at http://www.colby.edu. Additional infor- their areas of specialty, and to take a significant role in 392-2231; fax 352-392-9294. mation pertaining specifically to this position may be found teaching and administering our popular introductory The University of Florida is an equal opportunity at http://www.colby.edu/geology/vacancy.html. course. We encourage applications from scientists work- employer; qualified women and minorities are especially ing with both ancient and modern systems. Position 1 will encouraged to apply. be filled with a candidate with expertise in the general area of carbonate sedimentology/stratigraphy. Applicants ENDOWED PROFESSORSHIP AND Consultants should have expertise in one or more of the following CHAIR OF GEOLOGY areas: diagenesis, paleoclimatology, paleontology, pale- COLBY COLLEGE GEOSCIENTIST, 20 years cost effective experience, oecology, and global change. The successful candidate COLBY COLLEGE seeks a dynamic individual to join the ground water, petroleum, environmental and natural will be responsible for undergraduate paleontology and Department of Geology as the first endowed associate or resource projects, US and Abroad, Respond (318) historical geology instruction, and will participate in teach- full professor in the Department, beginning September 1, 981-4678. ing of undergraduate and graduate sed-strat courses. 1999. The successful candidate will also serve as chair of Position 2 will be filled by a candidate with expertise in the department for a 3- or 6-year term. the general area of geochronology. Applicants should be Applicants for this position should be established sci- Services & Supplies proficient in modern isotopic dating and analytical meth- entists with a reputation for excellence in both teaching ods, preferably ICP-MS and/or laser ablation techniques. and research. Areas of expertise are open, but should LEATHER FIELD CASES. Free brochure, SHERER The successful candidate will be expected to participate in complement the strengths of the two existing and continu- CUSTOM SADDLES, INC., P.O. Box 385, Dept. GN, securing funding for equipment acquisitions. Teaching ing department members in mineralogy/ petrology and Franktown, CO 80116. responsibilities, in addition to physical geology, will include economic geology and in Quaternary geology and paleoe- courses in application of geochronologic methods to geo- cology. Applicants with primary expertise in paleontology, GEOLOGICAL SURVEY OF CANADA BOOKS FOR logical processes. sedimentology/stratigraphy, structural geology, or hydro- SALE. Reports of Progress (1843-1884) and Annual With these appointments, we seek to build on existing geology/environmental geology are particularly encour- Reports (1885-1894). Rare complete run in very good strengths in clastic sedimentology, paleoclimatology, cos- aged to apply; expertise in two or more of these fields will condition. Occupies 70 inches of shelf space: 37 volumes mogenic dating, igneous petrology, volcanology, low-T strengthen an application. The department plans to launch (many with maps bound in), 2 atlases, 10 map portfolios, geochemistry, analytical geochemistry, economic geology, a search for the fourth tenure-track slot in autumn, 1998, and 3 indices. $5,500 CDN plus shipping. 250-592-8717. hydrogeology, and structural geology. Strong curricular under the leadership of the new chair. and research ties exist with the Department of Geology Colby College is a highly selective, nationally ranked and Geological Engineering at the neighboring University private, residential, undergraduate, liberal arts institution of Idaho, and at Washington State University branch cam- with an enrollment of approximately 1750 full-time stu- Opportunities for Students puses at Vancouver and Tri-Cities. dents, of whom some 35 are declared majors within the The Department currently has 13 FTE and several Department of Geology. The College is located within the Two Graduate Research Assistantships (one at the adjunct faculty. Existing facilities in the Geoanalytical Lab- Maine Slate Belt of the northern Appalachians; Paleozoic Ph.D. level and one at the M.S. level) in Environmental oratory include a newly upgraded electron microprobe, sediemnts, metasediments and intrusives dominate the Soil chemistry are available for Spring 1999. Students will automated XRF and XRD, quadrupole ICP=MS, and an of the state, with a surficial blanket of late participate in laboratory-based research on co-migration automated gas source mass spectrometer for stable iso- Quaternary glacigenic and postglacial sediments. of trace metals and humic substances in aquifer materials. tope analysis. Additional facilities include a FTIR spec- All Colby faculty are expected to maintain active The investigation will involve sorption studies, spectro- trometer, CL and epifluorescence scopes, a gas-flow fluid research programs and the successful candidate must be scopic characterization, and transport experiments. A inclusion stage, and gas chromatographs for organic able to direct research appropriate for undergraduates; strong background in chemistry and soil science is work. Local and regional geology and geography offer the Department currently requires all majors to undertake required of students in both assistantships. Previous diverse research opportunities in the northern Rocky and complete independent research as part of their degree(s) in soil science, chemistry, or geochemistry are Mountains, the Columbia River Plateau, the northern course of study. preferred. Contact Dr. M. L. Thompson, Department of Basin and Range, and the active volcanoes of the Cas- To apply, please send letter of intent and complete CV, Agronomy, Iowa State University, Ames, IA 50011-1010. cade Range. including the names of at least three persons whom the Phone (515) 294-2415, fax 515-294-9573, e-mail: Applications for the carbonate sedimentology/stratigra- search committee may contact as references on teaching [email protected]. phy position should be addressed to David Gaylord, Chair, Carbonate Sedimentology/Stratigraphy Search Commit- tee, OR for the geochronology position to John Wolff, Chair, Geochronology Search Committee, Department of Statement of Ownership, Management, and Circulation Geology, Washington State University, Pullman, WA 99164, U.S.A. (Required by Title 39, U.S.C. 4369) Applications should include a full curriculum vitae, a GSA Today (Publication No. 1052-5173) is published monthly by The Geological Society of America, Inc. (GSA), with head- statement of teaching and research philosophy, and the quarters and offices at 3300 Penrose Place, Boulder, Colorado 80301 U.S.A.; and mailing address of Post Office Box 9140, names, addresses and e-mail addresses of 4 referees, Boulder, Colorado 80301-9140 U.S.A. The Publisher is Donald M. Davidson, Jr.; the Editor is Faith E. Rogers; their office and and must be received by January 1, 1999. Washington mailing addresses are the same as above. The annual subscription prices are: for Members and Associate-Student Members of State University employs only U.S. citizens and lawfully GSA, $7; for non-members $50. The publication is wholly owned by The Geological Society of America, Inc., a not-for-profit, authorized non-U.S. citizens. all new employees must charitable corporation. No known stockholder holds 1 percent or more of the total stock. CEDE & Company, 55 Water Street, show employment eligibility verifications as required by New York, NY 10041, holds all outstanding bonds; there are no known mortgagees or holders of other securities. The purpose, function, and nonprofit status of The Geological Society of America, Inc. have not changed during the preceding twelve months. the U.S. Immigration and Naturalization Service. Washing- The average number of copies of each issue during the preceding twelve months and the actual number of copies published ton State University is an equal opportunity/affirmative nearest to the filing date (October 1998 issue) were: action educator and employer. Members of ethnic minori- ties, women, Vietnam era or disabled veterans, persons of Item No. Avg. No. Actual No. Copies disability and/or persons the ages of 40 and over are from PS Copies Each of Single Issue encouraged to apply. Form Issue in past Published Nearest 3526 Extent and Nature of Circulation 12 Months to Filing Date UNIVERSITY OF FLORIDA ASSISTANT PROFESSOR a. Total No. Copies (Net press run) 17,500 17,500 The Department of Geology invites applications for a b. Paid and/or Requested Circulation (1) Sales through dealers and tenure-track assistant professor position in the general carriers, street vendors, and counter sales (not mailed) 0 0 (2) Paid or Requested Mail Subscriptions, area of sedimentary geology to begin with or during the (Including advertisers’ proof copies and exchange copies) 16,322 16,229 1999-2000 academic year. Preference will be given to c. Total Paid and/or Requested Circulation (Sum of b (1) and b (2) 16,322 16,229 quantitative, process-oriented scientists who will develop d. Free Distribution by Mail (Samples, complimentary, and other free) 200 125 strong and innovative research programs, and exhibit a e. Free Distribution Outside the Mail (Carriers or other means) 0 0 strong commitment to teaching undergraduate and gradu- f. Total Free Distribution (Sum of d and e) 200 125 ate students. We are particularly interested in scientists g. Total Distribution (Sum of c and f) 16,522 16,354 whose research investigates fundamental earth processes h. Copies Not Distributed (1) Office use, leftovers, spoiled 978 1,146 in a quantitative way. Possible specialties include sedi- (2) Returned from news agents mentology; sedimentary geochemistry, including biogeo- i. Total (Sum of g, h (1), and h (2)) chemistry; environmental geology; seismic stratigraphy; Percent Paid and/or Requested Circulation (c/g x 100) 98% 99% basin evolution, etc. In addition, consideration will be This information taken from PS Form 3526, signed September 11, 1998 by the Publisher, Peggy S. Lehr, and filed with the given to those whose research complements existing United States Postal Service in Boulder, Colorado. research strengths of the Department, e.g., paleoclimatol-

GSA TODAY, October 1998 39 1998 ANNUAL MEETING AND EXPOSITION October 26–29, 1998 Technical Program Call today or check the Schedule GSA Web site for last- • September GSA Today minute information. and the Web There is still time! FOR INFORMATION: GSA Meetings Department, P.O. Box 9140, Boulder, CO 80301 (303) 447-2020, (800) 472-1988 • [email protected] http://www.geosociety.org/meetings/98